Home / 82,944,086.10-124,416,129.15-57,077,999.70

Finding the Fourth Proportional to 82,944,086.10, 124,416,129.15 and 57,077,999.70

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Solution

The fourth proportional to 82,944,086.10, 124,416,129.15 and 57,077,999.70 is: 85,616,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,086.10 : 124,416,129.15 = 57,077,999.70 : x
  2. Step 2: Convert to fraction form
    82,944,086.10/124,416,129.15 = 57,077,999.70/x
  3. Step 3: Cross multiply
    82,944,086.10x = 124,416,129.15 × 57,077,999.70
  4. Step 4: Simplify right side
    82,944,086.10x = 7,101,423,782,298,862
  5. Step 5: Solve for x
    x = 7,101,423,782,298,862/82,944,086.10
  6. Step 6: Final answer
    x = 85,616,999.55

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Double scale
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Similar ratio
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1.5x scale

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.