Home / 133,456,003.40-200,184,005.10-82,171,728.20

Finding the Fourth Proportional to 133,456,003.40, 200,184,005.10 and 82,171,728.20

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Solution

The fourth proportional to 133,456,003.40, 200,184,005.10 and 82,171,728.20 is: 123,257,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,456,003.40 : 200,184,005.10 = 82,171,728.20 : x
  2. Step 2: Convert to fraction form
    133,456,003.40/200,184,005.10 = 82,171,728.20/x
  3. Step 3: Cross multiply
    133,456,003.40x = 200,184,005.10 × 82,171,728.20
  4. Step 4: Simplify right side
    133,456,003.40x = 16,449,465,657,064,614
  5. Step 5: Solve for x
    x = 16,449,465,657,064,614/133,456,003.40
  6. Step 6: Final answer
    x = 123,257,592.30

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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.