Home / 157,777,132.30-217,754,072.18-90,794,713.86

Finding the Fourth Proportional to 157,777,132.30, 217,754,072.18 and 90,794,713.86

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Solution

The fourth proportional to 157,777,132.30, 217,754,072.18 and 90,794,713.86 is: 125,309,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777,132.30 : 217,754,072.18 = 90,794,713.86 : x
  2. Step 2: Convert to fraction form
    157,777,132.30/217,754,072.18 = 90,794,713.86/x
  3. Step 3: Cross multiply
    157,777,132.30x = 217,754,072.18 × 90,794,713.86
  4. Step 4: Simplify right side
    157,777,132.30x = 19,770,918,675,432,888
  5. Step 5: Solve for x
    x = 19,770,918,675,432,888/157,777,132.30
  6. Step 6: Final answer
    x = 125,309,152.14

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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.