Home / 72,491,365.15-108,593,557.94-63,403,724.05

Finding the Fourth Proportional to 72,491,365.15, 108,593,557.94 and 63,403,724.05

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Solution

The fourth proportional to 72,491,365.15, 108,593,557.94 and 63,403,724.05 is: 94,980,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,491,365.15 : 108,593,557.94 = 63,403,724.05 : x
  2. Step 2: Convert to fraction form
    72,491,365.15/108,593,557.94 = 63,403,724.05/x
  3. Step 3: Cross multiply
    72,491,365.15x = 108,593,557.94 × 63,403,724.05
  4. Step 4: Simplify right side
    72,491,365.15x = 6,885,235,981,122,472
  5. Step 5: Solve for x
    x = 6,885,235,981,122,472/72,491,365.15
  6. Step 6: Final answer
    x = 94,980,084.42

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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.