Home / 99,613,727.60-137,414,666.04-81,049,629.20

Finding the Fourth Proportional to 99,613,727.60, 137,414,666.04 and 81,049,629.20

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Solution

The fourth proportional to 99,613,727.60, 137,414,666.04 and 81,049,629.20 is: 111,805,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,613,727.60 : 137,414,666.04 = 81,049,629.20 : x
  2. Step 2: Convert to fraction form
    99,613,727.60/137,414,666.04 = 81,049,629.20/x
  3. Step 3: Cross multiply
    99,613,727.60x = 137,414,666.04 × 81,049,629.20
  4. Step 4: Simplify right side
    99,613,727.60x = 11,137,407,729,183,832
  5. Step 5: Solve for x
    x = 11,137,407,729,183,832/99,613,727.60
  6. Step 6: Final answer
    x = 111,805,952.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.