Home / 220,826,134.12-304,752,049.22-126,739,528.85

Finding the Fourth Proportional to 220,826,134.12, 304,752,049.22 and 126,739,528.85

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Solution

The fourth proportional to 220,826,134.12, 304,752,049.22 and 126,739,528.85 is: 174,907,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,826,134.12 : 304,752,049.22 = 126,739,528.85 : x
  2. Step 2: Convert to fraction form
    220,826,134.12/304,752,049.22 = 126,739,528.85/x
  3. Step 3: Cross multiply
    220,826,134.12x = 304,752,049.22 × 126,739,528.85
  4. Step 4: Simplify right side
    220,826,134.12x = 38,624,131,134,214,808
  5. Step 5: Solve for x
    x = 38,624,131,134,214,808/220,826,134.12
  6. Step 6: Final answer
    x = 174,907,427.91

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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.