Home / 79,236,432.80-118,854,649.20-21,734,516.60

Finding the Fourth Proportional to 79,236,432.80, 118,854,649.20 and 21,734,516.60

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Solution

The fourth proportional to 79,236,432.80, 118,854,649.20 and 21,734,516.60 is: 32,601,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,236,432.80 : 118,854,649.20 = 21,734,516.60 : x
  2. Step 2: Convert to fraction form
    79,236,432.80/118,854,649.20 = 21,734,516.60/x
  3. Step 3: Cross multiply
    79,236,432.80x = 118,854,649.20 × 21,734,516.60
  4. Step 4: Simplify right side
    79,236,432.80x = 2,583,248,346,024,577
  5. Step 5: Solve for x
    x = 2,583,248,346,024,577/79,236,432.80
  6. Step 6: Final answer
    x = 32,601,774.90

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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.