Home / 79,267,065.60-118,900,598.40-25,419,820.80

Finding the Fourth Proportional to 79,267,065.60, 118,900,598.40 and 25,419,820.80

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Solution

The fourth proportional to 79,267,065.60, 118,900,598.40 and 25,419,820.80 is: 38,129,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267,065.60 : 118,900,598.40 = 25,419,820.80 : x
  2. Step 2: Convert to fraction form
    79,267,065.60/118,900,598.40 = 25,419,820.80/x
  3. Step 3: Cross multiply
    79,267,065.60x = 118,900,598.40 × 25,419,820.80
  4. Step 4: Simplify right side
    79,267,065.60x = 3,022,431,904,340,767
  5. Step 5: Solve for x
    x = 3,022,431,904,340,767/79,267,065.60
  6. Step 6: Final answer
    x = 38,129,731.20

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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.