Home / 279,936,699.90-419,905,049.85-98,202,248.70

Finding the Fourth Proportional to 279,936,699.90, 419,905,049.85 and 98,202,248.70

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Solution

The fourth proportional to 279,936,699.90, 419,905,049.85 and 98,202,248.70 is: 147,303,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,699.90 : 419,905,049.85 = 98,202,248.70 : x
  2. Step 2: Convert to fraction form
    279,936,699.90/419,905,049.85 = 98,202,248.70/x
  3. Step 3: Cross multiply
    279,936,699.90x = 419,905,049.85 × 98,202,248.70
  4. Step 4: Simplify right side
    279,936,699.90x = 41,235,620,135,755,600
  5. Step 5: Solve for x
    x = 41,235,620,135,755,600/279,936,699.90
  6. Step 6: Final answer
    x = 147,303,373.05

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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.