Home / 72,732,204.46-100,372,570.05-39,694,572.58

Finding the Fourth Proportional to 72,732,204.46, 100,372,570.05 and 39,694,572.58

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Solution

The fourth proportional to 72,732,204.46, 100,372,570.05 and 39,694,572.58 is: 54,779,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,732,204.46 : 100,372,570.05 = 39,694,572.58 : x
  2. Step 2: Convert to fraction form
    72,732,204.46/100,372,570.05 = 39,694,572.58/x
  3. Step 3: Cross multiply
    72,732,204.46x = 100,372,570.05 × 39,694,572.58
  4. Step 4: Simplify right side
    72,732,204.46x = 3,984,246,266,890,859
  5. Step 5: Solve for x
    x = 3,984,246,266,890,859/72,732,204.46
  6. Step 6: Final answer
    x = 54,779,671.49

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