Home / 279,936,561.20-419,904,841.80-98,160,119.60

Finding the Fourth Proportional to 279,936,561.20, 419,904,841.80 and 98,160,119.60

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Solution

The fourth proportional to 279,936,561.20, 419,904,841.80 and 98,160,119.60 is: 147,240,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,561.20 : 419,904,841.80 = 98,160,119.60 : x
  2. Step 2: Convert to fraction form
    279,936,561.20/419,904,841.80 = 98,160,119.60/x
  3. Step 3: Cross multiply
    279,936,561.20x = 419,904,841.80 × 98,160,119.60
  4. Step 4: Simplify right side
    279,936,561.20x = 41,217,909,491,707,080
  5. Step 5: Solve for x
    x = 41,217,909,491,707,080/279,936,561.20
  6. Step 6: Final answer
    x = 147,240,179.40

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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.