Home / 80,752,048.20-121,143,818.70-34,693,828.20

Finding the Fourth Proportional to 80,752,048.20, 121,143,818.70 and 34,693,828.20

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Solution

The fourth proportional to 80,752,048.20, 121,143,818.70 and 34,693,828.20 is: 52,047,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752,048.20 : 121,143,818.70 = 34,693,828.20 : x
  2. Step 2: Convert to fraction form
    80,752,048.20/121,143,818.70 = 34,693,828.20/x
  3. Step 3: Cross multiply
    80,752,048.20x = 121,143,818.70 × 34,693,828.20
  4. Step 4: Simplify right side
    80,752,048.20x = 4,202,942,833,469,748
  5. Step 5: Solve for x
    x = 4,202,942,833,469,748/80,752,048.20
  6. Step 6: Final answer
    x = 52,047,507.49

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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.