Home / 72,732,192.07-100,372,552.97-39,694,560.21

Finding the Fourth Proportional to 72,732,192.07, 100,372,552.97 and 39,694,560.21

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Solution

The fourth proportional to 72,732,192.07, 100,372,552.97 and 39,694,560.21 is: 54,779,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,732,192.07 : 100,372,552.97 = 39,694,560.21 : x
  2. Step 2: Convert to fraction form
    72,732,192.07/100,372,552.97 = 39,694,560.21/x
  3. Step 3: Cross multiply
    72,732,192.07x = 100,372,552.97 × 39,694,560.21
  4. Step 4: Simplify right side
    72,732,192.07x = 3,984,244,346,896,452.50
  5. Step 5: Solve for x
    x = 3,984,244,346,896,452.50/72,732,192.07
  6. Step 6: Final answer
    x = 54,779,654.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.