Home / 215,981,468.66-323,986,568.84-75,904,984.58

Finding the Fourth Proportional to 215,981,468.66, 323,986,568.84 and 75,904,984.58

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Solution

The fourth proportional to 215,981,468.66, 323,986,568.84 and 75,904,984.58 is: 113,862,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,981,468.66 : 323,986,568.84 = 75,904,984.58 : x
  2. Step 2: Convert to fraction form
    215,981,468.66/323,986,568.84 = 75,904,984.58/x
  3. Step 3: Cross multiply
    215,981,468.66x = 323,986,568.84 × 75,904,984.58
  4. Step 4: Simplify right side
    215,981,468.66x = 24,592,195,512,927,032
  5. Step 5: Solve for x
    x = 24,592,195,512,927,032/215,981,468.66
  6. Step 6: Final answer
    x = 113,862,525.64

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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.