Home / 179,201,439.80-268,613,202.90-69,984,409.40

Finding the Fourth Proportional to 179,201,439.80, 268,613,202.90 and 69,984,409.40

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Solution

The fourth proportional to 179,201,439.80, 268,613,202.90 and 69,984,409.40 is: 104,902,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,201,439.80 : 268,613,202.90 = 69,984,409.40 : x
  2. Step 2: Convert to fraction form
    179,201,439.80/268,613,202.90 = 69,984,409.40/x
  3. Step 3: Cross multiply
    179,201,439.80x = 268,613,202.90 × 69,984,409.40
  4. Step 4: Simplify right side
    179,201,439.80x = 18,798,736,361,998,868
  5. Step 5: Solve for x
    x = 18,798,736,361,998,868/179,201,439.80
  6. Step 6: Final answer
    x = 104,902,819.88

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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.