Home / 126,857,461.20-190,286,191.80-88,593,709.20

Finding the Fourth Proportional to 126,857,461.20, 190,286,191.80 and 88,593,709.20

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Solution

The fourth proportional to 126,857,461.20, 190,286,191.80 and 88,593,709.20 is: 132,890,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,857,461.20 : 190,286,191.80 = 88,593,709.20 : x
  2. Step 2: Convert to fraction form
    126,857,461.20/190,286,191.80 = 88,593,709.20/x
  3. Step 3: Cross multiply
    126,857,461.20x = 190,286,191.80 × 88,593,709.20
  4. Step 4: Simplify right side
    126,857,461.20x = 16,858,159,541,104,626
  5. Step 5: Solve for x
    x = 16,858,159,541,104,626/126,857,461.20
  6. Step 6: Final answer
    x = 132,890,563.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.