Home / 89,720,630.08-123,811,408.38-49,488,220.33

Finding the Fourth Proportional to 89,720,630.08, 123,811,408.38 and 49,488,220.33

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Solution

The fourth proportional to 89,720,630.08, 123,811,408.38 and 49,488,220.33 is: 68,292,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,720,630.08 : 123,811,408.38 = 49,488,220.33 : x
  2. Step 2: Convert to fraction form
    89,720,630.08/123,811,408.38 = 49,488,220.33/x
  3. Step 3: Cross multiply
    89,720,630.08x = 123,811,408.38 × 49,488,220.33
  4. Step 4: Simplify right side
    89,720,630.08x = 6,127,206,257,277,048
  5. Step 5: Solve for x
    x = 6,127,206,257,277,048/89,720,630.08
  6. Step 6: Final answer
    x = 68,292,055.59

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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.