Home / 127,771,159.52-176,469,646.04-85,882,500.72

Finding the Fourth Proportional to 127,771,159.52, 176,469,646.04 and 85,882,500.72

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Solution

The fourth proportional to 127,771,159.52, 176,469,646.04 and 85,882,500.72 is: 118,615,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,771,159.52 : 176,469,646.04 = 85,882,500.72 : x
  2. Step 2: Convert to fraction form
    127,771,159.52/176,469,646.04 = 85,882,500.72/x
  3. Step 3: Cross multiply
    127,771,159.52x = 176,469,646.04 × 85,882,500.72
  4. Step 4: Simplify right side
    127,771,159.52x = 15,155,654,503,088,444
  5. Step 5: Solve for x
    x = 15,155,654,503,088,444/127,771,159.52
  6. Step 6: Final answer
    x = 118,615,613.73

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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.