Home / 80,609,397.12-111,236,770.80-45,797,256

Finding the Fourth Proportional to 80,609,397.12, 111,236,770.80 and 45,797,256

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Solution

The fourth proportional to 80,609,397.12, 111,236,770.80 and 45,797,256 is: 63,197,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,609,397.12 : 111,236,770.80 = 45,797,256 : x
  2. Step 2: Convert to fraction form
    80,609,397.12/111,236,770.80 = 45,797,256/x
  3. Step 3: Cross multiply
    80,609,397.12x = 111,236,770.80 × 45,797,256
  4. Step 4: Simplify right side
    80,609,397.12x = 5,094,338,868,940,925
  5. Step 5: Solve for x
    x = 5,094,338,868,940,925/80,609,397.12
  6. Step 6: Final answer
    x = 63,197,828.68

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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.