Home / 52,840,643.40-79,260,965.10-38,433,270.60

Finding the Fourth Proportional to 52,840,643.40, 79,260,965.10 and 38,433,270.60

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Solution

The fourth proportional to 52,840,643.40, 79,260,965.10 and 38,433,270.60 is: 57,649,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,840,643.40 : 79,260,965.10 = 38,433,270.60 : x
  2. Step 2: Convert to fraction form
    52,840,643.40/79,260,965.10 = 38,433,270.60/x
  3. Step 3: Cross multiply
    52,840,643.40x = 79,260,965.10 × 38,433,270.60
  4. Step 4: Simplify right side
    52,840,643.40x = 3,046,258,119,705,456
  5. Step 5: Solve for x
    x = 3,046,258,119,705,456/52,840,643.40
  6. Step 6: Final answer
    x = 57,649,905.90

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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.