Home / 56,381,959.20-84,572,938.80-39,375,847.20

Finding the Fourth Proportional to 56,381,959.20, 84,572,938.80 and 39,375,847.20

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Solution

The fourth proportional to 56,381,959.20, 84,572,938.80 and 39,375,847.20 is: 59,063,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,381,959.20 : 84,572,938.80 = 39,375,847.20 : x
  2. Step 2: Convert to fraction form
    56,381,959.20/84,572,938.80 = 39,375,847.20/x
  3. Step 3: Cross multiply
    56,381,959.20x = 84,572,938.80 × 39,375,847.20
  4. Step 4: Simplify right side
    56,381,959.20x = 3,330,131,115,443,751.50
  5. Step 5: Solve for x
    x = 3,330,131,115,443,751.50/56,381,959.20
  6. Step 6: Final answer
    x = 59,063,770.80

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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.