Home / 56,419,502.67-77,892,023.12-43,341,067.71

Finding the Fourth Proportional to 56,419,502.67, 77,892,023.12 and 43,341,067.71

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Solution

The fourth proportional to 56,419,502.67, 77,892,023.12 and 43,341,067.71 is: 59,836,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,419,502.67 : 77,892,023.12 = 43,341,067.71 : x
  2. Step 2: Convert to fraction form
    56,419,502.67/77,892,023.12 = 43,341,067.71/x
  3. Step 3: Cross multiply
    56,419,502.67x = 77,892,023.12 × 43,341,067.71
  4. Step 4: Simplify right side
    56,419,502.67x = 3,375,923,447,896,100
  5. Step 5: Solve for x
    x = 3,375,923,447,896,100/56,419,502.67
  6. Step 6: Final answer
    x = 59,836,107.87

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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.