Home / 85,180,139.50-117,548,593.05-48,514,122.22

Finding the Fourth Proportional to 85,180,139.50, 117,548,593.05 and 48,514,122.22

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Solution

The fourth proportional to 85,180,139.50, 117,548,593.05 and 48,514,122.22 is: 66,949,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180,139.50 : 117,548,593.05 = 48,514,122.22 : x
  2. Step 2: Convert to fraction form
    85,180,139.50/117,548,593.05 = 48,514,122.22/x
  3. Step 3: Cross multiply
    85,180,139.50x = 117,548,593.05 × 48,514,122.22
  4. Step 4: Simplify right side
    85,180,139.50x = 5,702,766,810,016,742
  5. Step 5: Solve for x
    x = 5,702,766,810,016,742/85,180,139.50
  6. Step 6: Final answer
    x = 66,949,488.97

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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.