Home / 123,971,551.20-185,957,325.72-45,193,966.56

Finding the Fourth Proportional to 123,971,551.20, 185,957,325.72 and 45,193,966.56

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Solution

The fourth proportional to 123,971,551.20, 185,957,325.72 and 45,193,966.56 is: 67,790,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,971,551.20 : 185,957,325.72 = 45,193,966.56 : x
  2. Step 2: Convert to fraction form
    123,971,551.20/185,957,325.72 = 45,193,966.56/x
  3. Step 3: Cross multiply
    123,971,551.20x = 185,957,325.72 × 45,193,966.56
  4. Step 4: Simplify right side
    123,971,551.20x = 8,404,149,160,176,708
  5. Step 5: Solve for x
    x = 8,404,149,160,176,708/123,971,551.20
  6. Step 6: Final answer
    x = 67,790,949.45

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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.