Home / 279,936,041.70-419,904,062.55-98,159,600.10

Finding the Fourth Proportional to 279,936,041.70, 419,904,062.55 and 98,159,600.10

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Solution

The fourth proportional to 279,936,041.70, 419,904,062.55 and 98,159,600.10 is: 147,239,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,041.70 : 419,904,062.55 = 98,159,600.10 : x
  2. Step 2: Convert to fraction form
    279,936,041.70/419,904,062.55 = 98,159,600.10/x
  3. Step 3: Cross multiply
    279,936,041.70x = 419,904,062.55 × 98,159,600.10
  4. Step 4: Simplify right side
    279,936,041.70x = 41,217,614,860,273,384
  5. Step 5: Solve for x
    x = 41,217,614,860,273,384/279,936,041.70
  6. Step 6: Final answer
    x = 147,239,400.15

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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.