Home / 178,341,733.80-267,512,600.70-81,486,611.55

Finding the Fourth Proportional to 178,341,733.80, 267,512,600.70 and 81,486,611.55

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Solution

The fourth proportional to 178,341,733.80, 267,512,600.70 and 81,486,611.55 is: 122,229,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,341,733.80 : 267,512,600.70 = 81,486,611.55 : x
  2. Step 2: Convert to fraction form
    178,341,733.80/267,512,600.70 = 81,486,611.55/x
  3. Step 3: Cross multiply
    178,341,733.80x = 267,512,600.70 × 81,486,611.55
  4. Step 4: Simplify right side
    178,341,733.80x = 21,798,695,377,971,156
  5. Step 5: Solve for x
    x = 21,798,695,377,971,156/178,341,733.80
  6. Step 6: Final answer
    x = 122,229,917.33

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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.