Home / 129,861,046-179,213,876.76-71,914,294

Finding the Fourth Proportional to 129,861,046, 179,213,876.76 and 71,914,294

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Solution

The fourth proportional to 129,861,046, 179,213,876.76 and 71,914,294 is: 99,244,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,861,046 : 179,213,876.76 = 71,914,294 : x
  2. Step 2: Convert to fraction form
    129,861,046/179,213,876.76 = 71,914,294/x
  3. Step 3: Cross multiply
    129,861,046x = 179,213,876.76 × 71,914,294
  4. Step 4: Simplify right side
    129,861,046x = 12,888,039,422,198,406
  5. Step 5: Solve for x
    x = 12,888,039,422,198,406/129,861,046
  6. Step 6: Final answer
    x = 99,244,845.31

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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.