Home / 119,882,770.28-165,438,220.97-64,878,626.78

Finding the Fourth Proportional to 119,882,770.28, 165,438,220.97 and 64,878,626.78

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Solution

The fourth proportional to 119,882,770.28, 165,438,220.97 and 64,878,626.78 is: 89,532,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,770.28 : 165,438,220.97 = 64,878,626.78 : x
  2. Step 2: Convert to fraction form
    119,882,770.28/165,438,220.97 = 64,878,626.78/x
  3. Step 3: Cross multiply
    119,882,770.28x = 165,438,220.97 × 64,878,626.78
  4. Step 4: Simplify right side
    119,882,770.28x = 10,733,404,593,549,002
  5. Step 5: Solve for x
    x = 10,733,404,593,549,002/119,882,770.28
  6. Step 6: Final answer
    x = 89,532,503.86

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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.