Home / 78,890,471.19-108,866,761.87-44,083,447.65

Finding the Fourth Proportional to 78,890,471.19, 108,866,761.87 and 44,083,447.65

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Solution

The fourth proportional to 78,890,471.19, 108,866,761.87 and 44,083,447.65 is: 60,833,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,890,471.19 : 108,866,761.87 = 44,083,447.65 : x
  2. Step 2: Convert to fraction form
    78,890,471.19/108,866,761.87 = 44,083,447.65/x
  3. Step 3: Cross multiply
    78,890,471.19x = 108,866,761.87 × 44,083,447.65
  4. Step 4: Simplify right side
    78,890,471.19x = 4,799,222,196,956,410
  5. Step 5: Solve for x
    x = 4,799,222,196,956,410/78,890,471.19
  6. Step 6: Final answer
    x = 60,833,990.78

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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.