Home / 49,902,820.20-74,854,230.30-28,329,085.80

Finding the Fourth Proportional to 49,902,820.20, 74,854,230.30 and 28,329,085.80

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Solution

The fourth proportional to 49,902,820.20, 74,854,230.30 and 28,329,085.80 is: 42,493,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,902,820.20 : 74,854,230.30 = 28,329,085.80 : x
  2. Step 2: Convert to fraction form
    49,902,820.20/74,854,230.30 = 28,329,085.80/x
  3. Step 3: Cross multiply
    49,902,820.20x = 74,854,230.30 × 28,329,085.80
  4. Step 4: Simplify right side
    49,902,820.20x = 2,120,551,912,661,659.75
  5. Step 5: Solve for x
    x = 2,120,551,912,661,659.75/49,902,820.20
  6. Step 6: Final answer
    x = 42,493,628.70

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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.