Home / 80,609,398.12-111,236,772.18-45,797,257

Finding the Fourth Proportional to 80,609,398.12, 111,236,772.18 and 45,797,257

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Solution

The fourth proportional to 80,609,398.12, 111,236,772.18 and 45,797,257 is: 63,197,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,609,398.12 : 111,236,772.18 = 45,797,257 : x
  2. Step 2: Convert to fraction form
    80,609,398.12/111,236,772.18 = 45,797,257/x
  3. Step 3: Cross multiply
    80,609,398.12x = 111,236,772.18 × 45,797,257
  4. Step 4: Simplify right side
    80,609,398.12x = 5,094,339,043,377,911
  5. Step 5: Solve for x
    x = 5,094,339,043,377,911/80,609,398.12
  6. Step 6: Final answer
    x = 63,197,830.06

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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.