Home / 103,514,625.70-155,140,062.45-55,015,713.70

Finding the Fourth Proportional to 103,514,625.70, 155,140,062.45 and 55,015,713.70

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Solution

The fourth proportional to 103,514,625.70, 155,140,062.45 and 55,015,713.70 is: 82,453,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,514,625.70 : 155,140,062.45 = 55,015,713.70 : x
  2. Step 2: Convert to fraction form
    103,514,625.70/155,140,062.45 = 55,015,713.70/x
  3. Step 3: Cross multiply
    103,514,625.70x = 155,140,062.45 × 55,015,713.70
  4. Step 4: Simplify right side
    103,514,625.70x = 8,535,141,259,149,320
  5. Step 5: Solve for x
    x = 8,535,141,259,149,320/103,514,625.70
  6. Step 6: Final answer
    x = 82,453,481.35

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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.