Home / 80,853,073.70-121,279,610.55-23,347,220.90

Finding the Fourth Proportional to 80,853,073.70, 121,279,610.55 and 23,347,220.90

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Solution

The fourth proportional to 80,853,073.70, 121,279,610.55 and 23,347,220.90 is: 35,020,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,073.70 : 121,279,610.55 = 23,347,220.90 : x
  2. Step 2: Convert to fraction form
    80,853,073.70/121,279,610.55 = 23,347,220.90/x
  3. Step 3: Cross multiply
    80,853,073.70x = 121,279,610.55 × 23,347,220.90
  4. Step 4: Simplify right side
    80,853,073.70x = 2,831,541,858,176,820
  5. Step 5: Solve for x
    x = 2,831,541,858,176,820/80,853,073.70
  6. Step 6: Final answer
    x = 35,020,831.35

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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.