Home / 225,385,190.40-311,030,868.83-124,920,034.03

Finding the Fourth Proportional to 225,385,190.40, 311,030,868.83 and 124,920,034.03

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Solution

The fourth proportional to 225,385,190.40, 311,030,868.83 and 124,920,034.03 is: 172,389,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,385,190.40 : 311,030,868.83 = 124,920,034.03 : x
  2. Step 2: Convert to fraction form
    225,385,190.40/311,030,868.83 = 124,920,034.03/x
  3. Step 3: Cross multiply
    225,385,190.40x = 311,030,868.83 × 124,920,034.03
  4. Step 4: Simplify right side
    225,385,190.40x = 38,853,986,718,624,064
  5. Step 5: Solve for x
    x = 38,853,986,718,624,064/225,385,190.40
  6. Step 6: Final answer
    x = 172,389,262.35

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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.