Home / 279,936,759.60-419,905,139.40-177,816,106.80

Finding the Fourth Proportional to 279,936,759.60, 419,905,139.40 and 177,816,106.80

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Solution

The fourth proportional to 279,936,759.60, 419,905,139.40 and 177,816,106.80 is: 266,724,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,759.60 : 419,905,139.40 = 177,816,106.80 : x
  2. Step 2: Convert to fraction form
    279,936,759.60/419,905,139.40 = 177,816,106.80/x
  3. Step 3: Cross multiply
    279,936,759.60x = 419,905,139.40 × 177,816,106.80
  4. Step 4: Simplify right side
    279,936,759.60x = 74,665,897,113,419,296
  5. Step 5: Solve for x
    x = 74,665,897,113,419,296/279,936,759.60
  6. Step 6: Final answer
    x = 266,724,160.20

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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.