Home / 88,720,012.88-122,425,629-49,558,366.16

Finding the Fourth Proportional to 88,720,012.88, 122,425,629 and 49,558,366.16

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Solution

The fourth proportional to 88,720,012.88, 122,425,629 and 49,558,366.16 is: 68,386,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720,012.88 : 122,425,629 = 49,558,366.16 : x
  2. Step 2: Convert to fraction form
    88,720,012.88/122,425,629 = 49,558,366.16/x
  3. Step 3: Cross multiply
    88,720,012.88x = 122,425,629 × 49,558,366.16
  4. Step 4: Simplify right side
    88,720,012.88x = 6,067,214,149,350,314
  5. Step 5: Solve for x
    x = 6,067,214,149,350,314/88,720,012.88
  6. Step 6: Final answer
    x = 68,386,082.83

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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.