Home / 107,866,478.10-161,799,717.15-31,192,007.70

Finding the Fourth Proportional to 107,866,478.10, 161,799,717.15 and 31,192,007.70

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Solution

The fourth proportional to 107,866,478.10, 161,799,717.15 and 31,192,007.70 is: 46,788,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,866,478.10 : 161,799,717.15 = 31,192,007.70 : x
  2. Step 2: Convert to fraction form
    107,866,478.10/161,799,717.15 = 31,192,007.70/x
  3. Step 3: Cross multiply
    107,866,478.10x = 161,799,717.15 × 31,192,007.70
  4. Step 4: Simplify right side
    107,866,478.10x = 5,046,858,023,200,622
  5. Step 5: Solve for x
    x = 5,046,858,023,200,622/107,866,478.10
  6. Step 6: Final answer
    x = 46,788,011.55

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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.