Home / 98,622,640.80-147,933,961.20-82,599,694.65

Finding the Fourth Proportional to 98,622,640.80, 147,933,961.20 and 82,599,694.65

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Solution

The fourth proportional to 98,622,640.80, 147,933,961.20 and 82,599,694.65 is: 123,899,541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,622,640.80 : 147,933,961.20 = 82,599,694.65 : x
  2. Step 2: Convert to fraction form
    98,622,640.80/147,933,961.20 = 82,599,694.65/x
  3. Step 3: Cross multiply
    98,622,640.80x = 147,933,961.20 × 82,599,694.65
  4. Step 4: Simplify right side
    98,622,640.80x = 12,219,300,023,484,948
  5. Step 5: Solve for x
    x = 12,219,300,023,484,948/98,622,640.80
  6. Step 6: Final answer
    x = 123,899,541.98

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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.