Home / 66,561,947.10-99,795,681.45-25,605,560.70

Finding the Fourth Proportional to 66,561,947.10, 99,795,681.45 and 25,605,560.70

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Solution

The fourth proportional to 66,561,947.10, 99,795,681.45 and 25,605,560.70 is: 38,390,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561,947.10 : 99,795,681.45 = 25,605,560.70 : x
  2. Step 2: Convert to fraction form
    66,561,947.10/99,795,681.45 = 25,605,560.70/x
  3. Step 3: Cross multiply
    66,561,947.10x = 99,795,681.45 × 25,605,560.70
  4. Step 4: Simplify right side
    66,561,947.10x = 2,555,324,378,965,839
  5. Step 5: Solve for x
    x = 2,555,324,378,965,839/66,561,947.10
  6. Step 6: Final answer
    x = 38,390,168.71

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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.