Home / 71,901,726.56-107,681,390.70-45,913,529.92

Finding the Fourth Proportional to 71,901,726.56, 107,681,390.70 and 45,913,529.92

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Solution

The fourth proportional to 71,901,726.56, 107,681,390.70 and 45,913,529.92 is: 68,760,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,901,726.56 : 107,681,390.70 = 45,913,529.92 : x
  2. Step 2: Convert to fraction form
    71,901,726.56/107,681,390.70 = 45,913,529.92/x
  3. Step 3: Cross multiply
    71,901,726.56x = 107,681,390.70 × 45,913,529.92
  4. Step 4: Simplify right side
    71,901,726.56x = 4,944,032,753,731,660
  5. Step 5: Solve for x
    x = 4,944,032,753,731,660/71,901,726.56
  6. Step 6: Final answer
    x = 68,760,974.04

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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.