Home / 119,882,780.42-165,438,234.96-64,878,636.92

Finding the Fourth Proportional to 119,882,780.42, 165,438,234.96 and 64,878,636.92

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Solution

The fourth proportional to 119,882,780.42, 165,438,234.96 and 64,878,636.92 is: 89,532,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,780.42 : 165,438,234.96 = 64,878,636.92 : x
  2. Step 2: Convert to fraction form
    119,882,780.42/165,438,234.96 = 64,878,636.92/x
  3. Step 3: Cross multiply
    119,882,780.42x = 165,438,234.96 × 64,878,636.92
  4. Step 4: Simplify right side
    119,882,780.42x = 10,733,407,177,828,300
  5. Step 5: Solve for x
    x = 10,733,407,177,828,300/119,882,780.42
  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.