Home / 81,472,609.96-112,428,780.61-46,192,789.06

Finding the Fourth Proportional to 81,472,609.96, 112,428,780.61 and 46,192,789.06

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Solution

The fourth proportional to 81,472,609.96, 112,428,780.61 and 46,192,789.06 is: 63,744,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,472,609.96 : 112,428,780.61 = 46,192,789.06 : x
  2. Step 2: Convert to fraction form
    81,472,609.96/112,428,780.61 = 46,192,789.06/x
  3. Step 3: Cross multiply
    81,472,609.96x = 112,428,780.61 × 46,192,789.06
  4. Step 4: Simplify right side
    81,472,609.96x = 5,193,398,946,990,748
  5. Step 5: Solve for x
    x = 5,193,398,946,990,748/81,472,609.96
  6. Step 6: Final answer
    x = 63,744,109.21

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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.