Home / 76,678,171.52-114,932,062.49-58,422,180.92

Finding the Fourth Proportional to 76,678,171.52, 114,932,062.49 and 58,422,180.92

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Solution

The fourth proportional to 76,678,171.52, 114,932,062.49 and 58,422,180.92 is: 87,568,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,678,171.52 : 114,932,062.49 = 58,422,180.92 : x
  2. Step 2: Convert to fraction form
    76,678,171.52/114,932,062.49 = 58,422,180.92/x
  3. Step 3: Cross multiply
    76,678,171.52x = 114,932,062.49 × 58,422,180.92
  4. Step 4: Simplify right side
    76,678,171.52x = 6,714,581,747,432,754
  5. Step 5: Solve for x
    x = 6,714,581,747,432,754/76,678,171.52
  6. Step 6: Final answer
    x = 87,568,360.26

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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.