Home / 178,341,736.80-267,512,605.20-81,486,614.55

Finding the Fourth Proportional to 178,341,736.80, 267,512,605.20 and 81,486,614.55

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Solution

The fourth proportional to 178,341,736.80, 267,512,605.20 and 81,486,614.55 is: 122,229,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,341,736.80 : 267,512,605.20 = 81,486,614.55 : x
  2. Step 2: Convert to fraction form
    178,341,736.80/267,512,605.20 = 81,486,614.55/x
  3. Step 3: Cross multiply
    178,341,736.80x = 267,512,605.20 × 81,486,614.55
  4. Step 4: Simplify right side
    178,341,736.80x = 21,798,696,547,198,724
  5. Step 5: Solve for x
    x = 21,798,696,547,198,724/178,341,736.80
  6. Step 6: Final answer
    x = 122,229,921.83

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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.