Home / 104,132,859.52-143,654,744.64-65,522,980.48

Finding the Fourth Proportional to 104,132,859.52, 143,654,744.64 and 65,522,980.48

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Solution

The fourth proportional to 104,132,859.52, 143,654,744.64 and 65,522,980.48 is: 90,391,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,132,859.52 : 143,654,744.64 = 65,522,980.48 : x
  2. Step 2: Convert to fraction form
    104,132,859.52/143,654,744.64 = 65,522,980.48/x
  3. Step 3: Cross multiply
    104,132,859.52x = 143,654,744.64 × 65,522,980.48
  4. Step 4: Simplify right side
    104,132,859.52x = 9,412,687,028,906,104
  5. Step 5: Solve for x
    x = 9,412,687,028,906,104/104,132,859.52
  6. Step 6: Final answer
    x = 90,391,131.79

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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.