Home / 143,428,192.92-197,906,213.25-80,695,585.08

Finding the Fourth Proportional to 143,428,192.92, 197,906,213.25 and 80,695,585.08

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Solution

The fourth proportional to 143,428,192.92, 197,906,213.25 and 80,695,585.08 is: 111,346,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,428,192.92 : 197,906,213.25 = 80,695,585.08 : x
  2. Step 2: Convert to fraction form
    143,428,192.92/197,906,213.25 = 80,695,585.08/x
  3. Step 3: Cross multiply
    143,428,192.92x = 197,906,213.25 × 80,695,585.08
  4. Step 4: Simplify right side
    143,428,192.92x = 15,970,157,669,175,998
  5. Step 5: Solve for x
    x = 15,970,157,669,175,998/143,428,192.92
  6. Step 6: Final answer
    x = 111,346,014.64

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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.