Home / 88,979,840.80-133,469,761.20-69,869,543.20

Finding the Fourth Proportional to 88,979,840.80, 133,469,761.20 and 69,869,543.20

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Solution

The fourth proportional to 88,979,840.80, 133,469,761.20 and 69,869,543.20 is: 104,804,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,979,840.80 : 133,469,761.20 = 69,869,543.20 : x
  2. Step 2: Convert to fraction form
    88,979,840.80/133,469,761.20 = 69,869,543.20/x
  3. Step 3: Cross multiply
    88,979,840.80x = 133,469,761.20 × 69,869,543.20
  4. Step 4: Simplify right side
    88,979,840.80x = 9,325,471,246,057,084
  5. Step 5: Solve for x
    x = 9,325,471,246,057,084/88,979,840.80
  6. Step 6: Final answer
    x = 104,804,314.80

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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.