Home / 99,520,107.24-149,218,574.92-38,864,507.88

Finding the Fourth Proportional to 99,520,107.24, 149,218,574.92 and 38,864,507.88

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Solution

The fourth proportional to 99,520,107.24, 149,218,574.92 and 38,864,507.88 is: 58,272,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,520,107.24 : 149,218,574.92 = 38,864,507.88 : x
  2. Step 2: Convert to fraction form
    99,520,107.24/149,218,574.92 = 38,864,507.88/x
  3. Step 3: Cross multiply
    99,520,107.24x = 149,218,574.92 × 38,864,507.88
  4. Step 4: Simplify right side
    99,520,107.24x = 5,799,306,480,820,710
  5. Step 5: Solve for x
    x = 5,799,306,480,820,710/99,520,107.24
  6. Step 6: Final answer
    x = 58,272,711.33

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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.