Home / 261,708,414.18-361,151,390.85-142,634,766.15

Finding the Fourth Proportional to 261,708,414.18, 361,151,390.85 and 142,634,766.15

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Solution

The fourth proportional to 261,708,414.18, 361,151,390.85 and 142,634,766.15 is: 196,832,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,708,414.18 : 361,151,390.85 = 142,634,766.15 : x
  2. Step 2: Convert to fraction form
    261,708,414.18/361,151,390.85 = 142,634,766.15/x
  3. Step 3: Cross multiply
    261,708,414.18x = 361,151,390.85 × 142,634,766.15
  4. Step 4: Simplify right side
    261,708,414.18x = 51,512,744,178,637,008
  5. Step 5: Solve for x
    x = 51,512,744,178,637,008/261,708,414.18
  6. Step 6: Final answer
    x = 196,832,586.91

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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.