Home / 78,890,447.24-108,866,728.82-44,083,423.70

Finding the Fourth Proportional to 78,890,447.24, 108,866,728.82 and 44,083,423.70

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Solution

The fourth proportional to 78,890,447.24, 108,866,728.82 and 44,083,423.70 is: 60,833,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,890,447.24 : 108,866,728.82 = 44,083,423.70 : x
  2. Step 2: Convert to fraction form
    78,890,447.24/108,866,728.82 = 44,083,423.70/x
  3. Step 3: Cross multiply
    78,890,447.24x = 108,866,728.82 × 44,083,423.70
  4. Step 4: Simplify right side
    78,890,447.24x = 4,799,218,133,405,061
  5. Step 5: Solve for x
    x = 4,799,218,133,405,061/78,890,447.24
  6. Step 6: Final answer
    x = 60,833,957.74

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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.