Home / 261,760,446.33-392,637,306.29-86,963,854.88

Finding the Fourth Proportional to 261,760,446.33, 392,637,306.29 and 86,963,854.88

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Solution

The fourth proportional to 261,760,446.33, 392,637,306.29 and 86,963,854.88 is: 130,444,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,760,446.33 : 392,637,306.29 = 86,963,854.88 : x
  2. Step 2: Convert to fraction form
    261,760,446.33/392,637,306.29 = 86,963,854.88/x
  3. Step 3: Cross multiply
    261,760,446.33x = 392,637,306.29 × 86,963,854.88
  4. Step 4: Simplify right side
    261,760,446.33x = 34,145,253,722,279,668
  5. Step 5: Solve for x
    x = 34,145,253,722,279,668/261,760,446.33
  6. Step 6: Final answer
    x = 130,444,664.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.