Home / 127,702,572.38-176,229,543.13-68,965,231.84

Finding the Fourth Proportional to 127,702,572.38, 176,229,543.13 and 68,965,231.84

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Solution

The fourth proportional to 127,702,572.38, 176,229,543.13 and 68,965,231.84 is: 95,172,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702,572.38 : 176,229,543.13 = 68,965,231.84 : x
  2. Step 2: Convert to fraction form
    127,702,572.38/176,229,543.13 = 68,965,231.84/x
  3. Step 3: Cross multiply
    127,702,572.38x = 176,229,543.13 × 68,965,231.84
  4. Step 4: Simplify right side
    127,702,572.38x = 12,153,711,299,017,730
  5. Step 5: Solve for x
    x = 12,153,711,299,017,730/127,702,572.38
  6. Step 6: Final answer
    x = 95,172,016.29

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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.