Home / 268,959,208.68-403,398,659.70-74,850,383.43

Finding the Fourth Proportional to 268,959,208.68, 403,398,659.70 and 74,850,383.43

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Solution

The fourth proportional to 268,959,208.68, 403,398,659.70 and 74,850,383.43 is: 112,264,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,959,208.68 : 403,398,659.70 = 74,850,383.43 : x
  2. Step 2: Convert to fraction form
    268,959,208.68/403,398,659.70 = 74,850,383.43/x
  3. Step 3: Cross multiply
    268,959,208.68x = 403,398,659.70 × 74,850,383.43
  4. Step 4: Simplify right side
    268,959,208.68x = 30,194,544,353,693,092
  5. Step 5: Solve for x
    x = 30,194,544,353,693,092/268,959,208.68
  6. Step 6: Final answer
    x = 112,264,400.62

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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.