Home / 72,691,171.28-109,037,706.66-24,169,025.08

Finding the Fourth Proportional to 72,691,171.28, 109,037,706.66 and 24,169,025.08

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Solution

The fourth proportional to 72,691,171.28, 109,037,706.66 and 24,169,025.08 is: 36,253,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,691,171.28 : 109,037,706.66 = 24,169,025.08 : x
  2. Step 2: Convert to fraction form
    72,691,171.28/109,037,706.66 = 24,169,025.08/x
  3. Step 3: Cross multiply
    72,691,171.28x = 109,037,706.66 × 24,169,025.08
  4. Step 4: Simplify right side
    72,691,171.28x = 2,635,335,066,931,223
  5. Step 5: Solve for x
    x = 2,635,335,066,931,223/72,691,171.28
  6. Step 6: Final answer
    x = 36,253,853.40

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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.