Home / 361,918,687.50-499,407,825.39-203,112,386.70

Finding the Fourth Proportional to 361,918,687.50, 499,407,825.39 and 203,112,386.70

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Solution

The fourth proportional to 361,918,687.50, 499,407,825.39 and 203,112,386.70 is: 280,272,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,918,687.50 : 499,407,825.39 = 203,112,386.70 : x
  2. Step 2: Convert to fraction form
    361,918,687.50/499,407,825.39 = 203,112,386.70/x
  3. Step 3: Cross multiply
    361,918,687.50x = 499,407,825.39 × 203,112,386.70
  4. Step 4: Simplify right side
    361,918,687.50x = 101,435,915,351,619,744
  5. Step 5: Solve for x
    x = 101,435,915,351,619,744/361,918,687.50
  6. Step 6: Final answer
    x = 280,272,665.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.