Home / 68,887,822.91-103,344,448.12-28,501,456.19

Finding the Fourth Proportional to 68,887,822.91, 103,344,448.12 and 28,501,456.19

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Solution

The fourth proportional to 68,887,822.91, 103,344,448.12 and 28,501,456.19 is: 42,757,444.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,887,822.91 : 103,344,448.12 = 28,501,456.19 : x
  2. Step 2: Convert to fraction form
    68,887,822.91/103,344,448.12 = 28,501,456.19/x
  3. Step 3: Cross multiply
    68,887,822.91x = 103,344,448.12 × 28,501,456.19
  4. Step 4: Simplify right side
    68,887,822.91x = 2,945,467,259,983,932
  5. Step 5: Solve for x
    x = 2,945,467,259,983,932/68,887,822.91
  6. Step 6: Final answer
    x = 42,757,444.43

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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.