Home / 112,207,909.20-168,170,146.20-54,576,085.20

Finding the Fourth Proportional to 112,207,909.20, 168,170,146.20 and 54,576,085.20

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Solution

The fourth proportional to 112,207,909.20, 168,170,146.20 and 54,576,085.20 is: 81,795,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207,909.20 : 168,170,146.20 = 54,576,085.20 : x
  2. Step 2: Convert to fraction form
    112,207,909.20/168,170,146.20 = 54,576,085.20/x
  3. Step 3: Cross multiply
    112,207,909.20x = 168,170,146.20 × 54,576,085.20
  4. Step 4: Simplify right side
    112,207,909.20x = 9,178,068,227,107,656
  5. Step 5: Solve for x
    x = 9,178,068,227,107,656/112,207,909.20
  6. Step 6: Final answer
    x = 81,795,198.69

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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.