Home / 72,407,724.30-108,737,557.65-38,395,500.30

Finding the Fourth Proportional to 72,407,724.30, 108,737,557.65 and 38,395,500.30

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Solution

The fourth proportional to 72,407,724.30, 108,737,557.65 and 38,395,500.30 is: 57,660,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,407,724.30 : 108,737,557.65 = 38,395,500.30 : x
  2. Step 2: Convert to fraction form
    72,407,724.30/108,737,557.65 = 38,395,500.30/x
  3. Step 3: Cross multiply
    72,407,724.30x = 108,737,557.65 × 38,395,500.30
  4. Step 4: Simplify right side
    72,407,724.30x = 4,175,032,927,371,842
  5. Step 5: Solve for x
    x = 4,175,032,927,371,842/72,407,724.30
  6. Step 6: Final answer
    x = 57,660,048.95

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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.