Home / 119,882,780.41-165,438,234.96-64,878,636.91

Finding the Fourth Proportional to 119,882,780.41, 165,438,234.96 and 64,878,636.91

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Solution

The fourth proportional to 119,882,780.41, 165,438,234.96 and 64,878,636.91 is: 89,532,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,780.41 : 165,438,234.96 = 64,878,636.91 : x
  2. Step 2: Convert to fraction form
    119,882,780.41/165,438,234.96 = 64,878,636.91/x
  3. Step 3: Cross multiply
    119,882,780.41x = 165,438,234.96 × 64,878,636.91
  4. Step 4: Simplify right side
    119,882,780.41x = 10,733,407,176,587,514
  5. Step 5: Solve for x
    x = 10,733,407,176,587,514/119,882,780.41
  6. Step 6: Final answer
    x = 89,532,517.85

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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.