Home / 80,373,358.15-110,901,789.70-47,340,184.79

Finding the Fourth Proportional to 80,373,358.15, 110,901,789.70 and 47,340,184.79

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Solution

The fourth proportional to 80,373,358.15, 110,901,789.70 and 47,340,184.79 is: 65,321,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,373,358.15 : 110,901,789.70 = 47,340,184.79 : x
  2. Step 2: Convert to fraction form
    80,373,358.15/110,901,789.70 = 47,340,184.79/x
  3. Step 3: Cross multiply
    80,373,358.15x = 110,901,789.70 × 47,340,184.79
  4. Step 4: Simplify right side
    80,373,358.15x = 5,250,111,218,098,623
  5. Step 5: Solve for x
    x = 5,250,111,218,098,623/80,373,358.15
  6. Step 6: Final answer
    x = 65,321,536.13

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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.