Home / 225,911,243.50-311,757,515.31-126,791,990.92

Finding the Fourth Proportional to 225,911,243.50, 311,757,515.31 and 126,791,990.92

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Solution

The fourth proportional to 225,911,243.50, 311,757,515.31 and 126,791,990.92 is: 174,972,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,911,243.50 : 311,757,515.31 = 126,791,990.92 : x
  2. Step 2: Convert to fraction form
    225,911,243.50/311,757,515.31 = 126,791,990.92/x
  3. Step 3: Cross multiply
    225,911,243.50x = 311,757,515.31 × 126,791,990.92
  4. Step 4: Simplify right side
    225,911,243.50x = 39,528,356,051,292,448
  5. Step 5: Solve for x
    x = 39,528,356,051,292,448/225,911,243.50
  6. Step 6: Final answer
    x = 174,972,947.07

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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.