Home / 127,021,527.54-175,279,169.97-71,259,321.78

Finding the Fourth Proportional to 127,021,527.54, 175,279,169.97 and 71,259,321.78

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Solution

The fourth proportional to 127,021,527.54, 175,279,169.97 and 71,259,321.78 is: 98,331,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,021,527.54 : 175,279,169.97 = 71,259,321.78 : x
  2. Step 2: Convert to fraction form
    127,021,527.54/175,279,169.97 = 71,259,321.78/x
  3. Step 3: Cross multiply
    127,021,527.54x = 175,279,169.97 × 71,259,321.78
  4. Step 4: Simplify right side
    127,021,527.54x = 12,490,274,774,223,544
  5. Step 5: Solve for x
    x = 12,490,274,774,223,544/127,021,527.54
  6. Step 6: Final answer
    x = 98,331,952.20

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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.