Home / 115,053,799.40-158,773,195.04-62,842,821.21

Finding the Fourth Proportional to 115,053,799.40, 158,773,195.04 and 62,842,821.21

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Solution

The fourth proportional to 115,053,799.40, 158,773,195.04 and 62,842,821.21 is: 86,722,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,053,799.40 : 158,773,195.04 = 62,842,821.21 : x
  2. Step 2: Convert to fraction form
    115,053,799.40/158,773,195.04 = 62,842,821.21/x
  3. Step 3: Cross multiply
    115,053,799.40x = 158,773,195.04 × 62,842,821.21
  4. Step 4: Simplify right side
    115,053,799.40x = 9,977,755,508,524,964
  5. Step 5: Solve for x
    x = 9,977,755,508,524,964/115,053,799.40
  6. Step 6: Final answer
    x = 86,722,520.78

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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.