Home / 89,947,025.56-134,974,272.84-82,629,017.20

Finding the Fourth Proportional to 89,947,025.56, 134,974,272.84 and 82,629,017.20

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Solution

The fourth proportional to 89,947,025.56, 134,974,272.84 and 82,629,017.20 is: 123,992,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,947,025.56 : 134,974,272.84 = 82,629,017.20 : x
  2. Step 2: Convert to fraction form
    89,947,025.56/134,974,272.84 = 82,629,017.20/x
  3. Step 3: Cross multiply
    89,947,025.56x = 134,974,272.84 × 82,629,017.20
  4. Step 4: Simplify right side
    89,947,025.56x = 11,152,791,512,053,854
  5. Step 5: Solve for x
    x = 11,152,791,512,053,854/89,947,025.56
  6. Step 6: Final answer
    x = 123,992,888.51

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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.