Home / 225,385,190.66-311,030,869.18-124,920,034.28

Finding the Fourth Proportional to 225,385,190.66, 311,030,869.18 and 124,920,034.28

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Solution

The fourth proportional to 225,385,190.66, 311,030,869.18 and 124,920,034.28 is: 172,389,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,385,190.66 : 311,030,869.18 = 124,920,034.28 : x
  2. Step 2: Convert to fraction form
    225,385,190.66/311,030,869.18 = 124,920,034.28/x
  3. Step 3: Cross multiply
    225,385,190.66x = 311,030,869.18 × 124,920,034.28
  4. Step 4: Simplify right side
    225,385,190.66x = 38,853,986,839,479,200
  5. Step 5: Solve for x
    x = 38,853,986,839,479,200/225,385,190.66
  6. Step 6: Final answer
    x = 172,389,262.70

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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.