Home / 177,500,770.60-266,251,155.90-128,749,916.20

Finding the Fourth Proportional to 177,500,770.60, 266,251,155.90 and 128,749,916.20

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Solution

The fourth proportional to 177,500,770.60, 266,251,155.90 and 128,749,916.20 is: 193,124,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,500,770.60 : 266,251,155.90 = 128,749,916.20 : x
  2. Step 2: Convert to fraction form
    177,500,770.60/266,251,155.90 = 128,749,916.20/x
  3. Step 3: Cross multiply
    177,500,770.60x = 266,251,155.90 × 128,749,916.20
  4. Step 4: Simplify right side
    177,500,770.60x = 34,279,814,010,278,136
  5. Step 5: Solve for x
    x = 34,279,814,010,278,136/177,500,770.60
  6. Step 6: Final answer
    x = 193,124,874.30

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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.