Home / 71,521,818.71-107,263,520.35-19,694,082.22

Finding the Fourth Proportional to 71,521,818.71, 107,263,520.35 and 19,694,082.22

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Solution

The fourth proportional to 71,521,818.71, 107,263,520.35 and 19,694,082.22 is: 29,535,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,521,818.71 : 107,263,520.35 = 19,694,082.22 : x
  2. Step 2: Convert to fraction form
    71,521,818.71/107,263,520.35 = 19,694,082.22/x
  3. Step 3: Cross multiply
    71,521,818.71x = 107,263,520.35 × 19,694,082.22
  4. Step 4: Simplify right side
    71,521,818.71x = 2,112,456,588,662,149.25
  5. Step 5: Solve for x
    x = 2,112,456,588,662,149.25/71,521,818.71
  6. Step 6: Final answer
    x = 29,535,834.34

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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.