Home / 279,958,793.40-419,938,190.10-239,144,124.60

Finding the Fourth Proportional to 279,958,793.40, 419,938,190.10 and 239,144,124.60

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Solution

The fourth proportional to 279,958,793.40, 419,938,190.10 and 239,144,124.60 is: 358,716,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,958,793.40 : 419,938,190.10 = 239,144,124.60 : x
  2. Step 2: Convert to fraction form
    279,958,793.40/419,938,190.10 = 239,144,124.60/x
  3. Step 3: Cross multiply
    279,958,793.40x = 419,938,190.10 × 239,144,124.60
  4. Step 4: Simplify right side
    279,958,793.40x = 100,425,750,857,572,896
  5. Step 5: Solve for x
    x = 100,425,750,857,572,896/279,958,793.40
  6. Step 6: Final answer
    x = 358,716,186.90

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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.