Home / 89,947,023.56-134,974,269.84-82,629,015.20

Finding the Fourth Proportional to 89,947,023.56, 134,974,269.84 and 82,629,015.20

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Solution

The fourth proportional to 89,947,023.56, 134,974,269.84 and 82,629,015.20 is: 123,992,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,947,023.56 : 134,974,269.84 = 82,629,015.20 : x
  2. Step 2: Convert to fraction form
    89,947,023.56/134,974,269.84 = 82,629,015.20/x
  3. Step 3: Cross multiply
    89,947,023.56x = 134,974,269.84 × 82,629,015.20
  4. Step 4: Simplify right side
    89,947,023.56x = 11,152,790,994,218,262
  5. Step 5: Solve for x
    x = 11,152,790,994,218,262/89,947,023.56
  6. Step 6: Final answer
    x = 123,992,885.51

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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.