Home / 86,220,290,530.80-129,330,435,796.20-49,069,871,996.40

Finding the Fourth Proportional to 86,220,290,530.80, 129,330,435,796.20 and 49,069,871,996.40

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Solution

The fourth proportional to 86,220,290,530.80, 129,330,435,796.20 and 49,069,871,996.40 is: 73,604,807,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,220,290,530.80 : 129,330,435,796.20 = 49,069,871,996.40 : x
  2. Step 2: Convert to fraction form
    86,220,290,530.80/129,330,435,796.20 = 49,069,871,996.40/x
  3. Step 3: Cross multiply
    86,220,290,530.80x = 129,330,435,796.20 × 49,069,871,996.40
  4. Step 4: Simplify right side
    86,220,290,530.80x = 6,346,227,929,758,162,747,392
  5. Step 5: Solve for x
    x = 6,346,227,929,758,162,747,392/86,220,290,530.80
  6. Step 6: Final answer
    x = 73,604,807,994.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.