Home / 112,269,903.20-168,404,854.80-63,729,000.80

Finding the Fourth Proportional to 112,269,903.20, 168,404,854.80 and 63,729,000.80

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Solution

The fourth proportional to 112,269,903.20, 168,404,854.80 and 63,729,000.80 is: 95,593,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,903.20 : 168,404,854.80 = 63,729,000.80 : x
  2. Step 2: Convert to fraction form
    112,269,903.20/168,404,854.80 = 63,729,000.80/x
  3. Step 3: Cross multiply
    112,269,903.20x = 168,404,854.80 × 63,729,000.80
  4. Step 4: Simplify right side
    112,269,903.20x = 10,732,273,126,273,084
  5. Step 5: Solve for x
    x = 10,732,273,126,273,084/112,269,903.20
  6. Step 6: Final answer
    x = 95,593,501.20

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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.