Home / 115,443,396.56-159,327,737.53-70,781,470.36

Finding the Fourth Proportional to 115,443,396.56, 159,327,737.53 and 70,781,470.36

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Solution

The fourth proportional to 115,443,396.56, 159,327,737.53 and 70,781,470.36 is: 97,688,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,443,396.56 : 159,327,737.53 = 70,781,470.36 : x
  2. Step 2: Convert to fraction form
    115,443,396.56/159,327,737.53 = 70,781,470.36/x
  3. Step 3: Cross multiply
    115,443,396.56x = 159,327,737.53 × 70,781,470.36
  4. Step 4: Simplify right side
    115,443,396.56x = 11,277,451,531,505,554
  5. Step 5: Solve for x
    x = 11,277,451,531,505,554/115,443,396.56
  6. Step 6: Final answer
    x = 97,688,147.33

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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.