Home / 79,236,433.80-118,854,650.70-21,734,517.60

Finding the Fourth Proportional to 79,236,433.80, 118,854,650.70 and 21,734,517.60

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Solution

The fourth proportional to 79,236,433.80, 118,854,650.70 and 21,734,517.60 is: 32,601,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,236,433.80 : 118,854,650.70 = 21,734,517.60 : x
  2. Step 2: Convert to fraction form
    79,236,433.80/118,854,650.70 = 21,734,517.60/x
  3. Step 3: Cross multiply
    79,236,433.80x = 118,854,650.70 × 21,734,517.60
  4. Step 4: Simplify right side
    79,236,433.80x = 2,583,248,497,481,002.50
  5. Step 5: Solve for x
    x = 2,583,248,497,481,002.50/79,236,433.80
  6. Step 6: Final answer
    x = 32,601,776.40

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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.