Home / 69,984,066.80-104,976,100.20-67,149,714.80

Finding the Fourth Proportional to 69,984,066.80, 104,976,100.20 and 67,149,714.80

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Solution

The fourth proportional to 69,984,066.80, 104,976,100.20 and 67,149,714.80 is: 100,724,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,066.80 : 104,976,100.20 = 67,149,714.80 : x
  2. Step 2: Convert to fraction form
    69,984,066.80/104,976,100.20 = 67,149,714.80/x
  3. Step 3: Cross multiply
    69,984,066.80x = 104,976,100.20 × 67,149,714.80
  4. Step 4: Simplify right side
    69,984,066.80x = 7,049,115,189,246,223
  5. Step 5: Solve for x
    x = 7,049,115,189,246,223/69,984,066.80
  6. Step 6: Final answer
    x = 100,724,572.20

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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.