Home / 80,853,070.20-121,279,605.30-23,347,217.40

Finding the Fourth Proportional to 80,853,070.20, 121,279,605.30 and 23,347,217.40

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Solution

The fourth proportional to 80,853,070.20, 121,279,605.30 and 23,347,217.40 is: 35,020,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,070.20 : 121,279,605.30 = 23,347,217.40 : x
  2. Step 2: Convert to fraction form
    80,853,070.20/121,279,605.30 = 23,347,217.40/x
  3. Step 3: Cross multiply
    80,853,070.20x = 121,279,605.30 × 23,347,217.40
  4. Step 4: Simplify right side
    80,853,070.20x = 2,831,541,311,125,292
  5. Step 5: Solve for x
    x = 2,831,541,311,125,292/80,853,070.20
  6. Step 6: Final answer
    x = 35,020,826.10

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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.