Home / 225,385,190.91-311,030,869.52-124,920,034.53

Finding the Fourth Proportional to 225,385,190.91, 311,030,869.52 and 124,920,034.53

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Solution

The fourth proportional to 225,385,190.91, 311,030,869.52 and 124,920,034.53 is: 172,389,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,385,190.91 : 311,030,869.52 = 124,920,034.53 : x
  2. Step 2: Convert to fraction form
    225,385,190.91/311,030,869.52 = 124,920,034.53/x
  3. Step 3: Cross multiply
    225,385,190.91x = 311,030,869.52 × 124,920,034.53
  4. Step 4: Simplify right side
    225,385,190.91x = 38,853,986,959,709,720
  5. Step 5: Solve for x
    x = 38,853,986,959,709,720/225,385,190.91
  6. Step 6: Final answer
    x = 172,389,263.03

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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.