Home / 102,781,731.45-141,844,788.42-58,131,661.95

Finding the Fourth Proportional to 102,781,731.45, 141,844,788.42 and 58,131,661.95

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Solution

The fourth proportional to 102,781,731.45, 141,844,788.42 and 58,131,661.95 is: 80,225,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,781,731.45 : 141,844,788.42 = 58,131,661.95 : x
  2. Step 2: Convert to fraction form
    102,781,731.45/141,844,788.42 = 58,131,661.95/x
  3. Step 3: Cross multiply
    102,781,731.45x = 141,844,788.42 × 58,131,661.95
  4. Step 4: Simplify right side
    102,781,731.45x = 8,245,673,290,516,974
  5. Step 5: Solve for x
    x = 8,245,673,290,516,974/102,781,731.45
  6. Step 6: Final answer
    x = 80,225,086.44

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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.