Home / 279,936,998.10-419,905,497.15-136,609,766.10

Finding the Fourth Proportional to 279,936,998.10, 419,905,497.15 and 136,609,766.10

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Solution

The fourth proportional to 279,936,998.10, 419,905,497.15 and 136,609,766.10 is: 204,914,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,998.10 : 419,905,497.15 = 136,609,766.10 : x
  2. Step 2: Convert to fraction form
    279,936,998.10/419,905,497.15 = 136,609,766.10/x
  3. Step 3: Cross multiply
    279,936,998.10x = 419,905,497.15 × 136,609,766.10
  4. Step 4: Simplify right side
    279,936,998.10x = 57,363,191,749,765,712
  5. Step 5: Solve for x
    x = 57,363,191,749,765,712/279,936,998.10
  6. Step 6: Final answer
    x = 204,914,649.15

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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.