Home / 158,806,382.52-219,126,439.98-93,607,421.88

Finding the Fourth Proportional to 158,806,382.52, 219,126,439.98 and 93,607,421.88

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Solution

The fourth proportional to 158,806,382.52, 219,126,439.98 and 93,607,421.88 is: 129,162,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,806,382.52 : 219,126,439.98 = 93,607,421.88 : x
  2. Step 2: Convert to fraction form
    158,806,382.52/219,126,439.98 = 93,607,421.88/x
  3. Step 3: Cross multiply
    158,806,382.52x = 219,126,439.98 × 93,607,421.88
  4. Step 4: Simplify right side
    158,806,382.52x = 20,511,861,112,270,356
  5. Step 5: Solve for x
    x = 20,511,861,112,270,356/158,806,382.52
  6. Step 6: Final answer
    x = 129,162,699.80

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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.