Home / 77,514,416.91-106,969,846.62-42,707,107.02

Finding the Fourth Proportional to 77,514,416.91, 106,969,846.62 and 42,707,107.02

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Solution

The fourth proportional to 77,514,416.91, 106,969,846.62 and 42,707,107.02 is: 58,935,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,514,416.91 : 106,969,846.62 = 42,707,107.02 : x
  2. Step 2: Convert to fraction form
    77,514,416.91/106,969,846.62 = 42,707,107.02/x
  3. Step 3: Cross multiply
    77,514,416.91x = 106,969,846.62 × 42,707,107.02
  4. Step 4: Simplify right side
    77,514,416.91x = 4,568,372,687,513,326
  5. Step 5: Solve for x
    x = 4,568,372,687,513,326/77,514,416.91
  6. Step 6: Final answer
    x = 58,935,780.85

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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.