Home / 279,936,744.80-419,905,117.20-178,152,015.20

Finding the Fourth Proportional to 279,936,744.80, 419,905,117.20 and 178,152,015.20

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Solution

The fourth proportional to 279,936,744.80, 419,905,117.20 and 178,152,015.20 is: 267,228,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,744.80 : 419,905,117.20 = 178,152,015.20 : x
  2. Step 2: Convert to fraction form
    279,936,744.80/419,905,117.20 = 178,152,015.20/x
  3. Step 3: Cross multiply
    279,936,744.80x = 419,905,117.20 × 178,152,015.20
  4. Step 4: Simplify right side
    279,936,744.80x = 74,806,942,821,972,176
  5. Step 5: Solve for x
    x = 74,806,942,821,972,176/279,936,744.80
  6. Step 6: Final answer
    x = 267,228,022.80

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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.