Home / 83,995,389.57-115,914,133.04-48,734,190.33

Finding the Fourth Proportional to 83,995,389.57, 115,914,133.04 and 48,734,190.33

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Solution

The fourth proportional to 83,995,389.57, 115,914,133.04 and 48,734,190.33 is: 67,253,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,995,389.57 : 115,914,133.04 = 48,734,190.33 : x
  2. Step 2: Convert to fraction form
    83,995,389.57/115,914,133.04 = 48,734,190.33/x
  3. Step 3: Cross multiply
    83,995,389.57x = 115,914,133.04 × 48,734,190.33
  4. Step 4: Simplify right side
    83,995,389.57x = 5,648,981,421,508,302
  5. Step 5: Solve for x
    x = 5,648,981,421,508,302/83,995,389.57
  6. Step 6: Final answer
    x = 67,253,470.11

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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.