Home / 163,666,758.15-225,856,924.71-89,327,851.56

Finding the Fourth Proportional to 163,666,758.15, 225,856,924.71 and 89,327,851.56

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Solution

The fourth proportional to 163,666,758.15, 225,856,924.71 and 89,327,851.56 is: 123,270,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,666,758.15 : 225,856,924.71 = 89,327,851.56 : x
  2. Step 2: Convert to fraction form
    163,666,758.15/225,856,924.71 = 89,327,851.56/x
  3. Step 3: Cross multiply
    163,666,758.15x = 225,856,924.71 × 89,327,851.56
  4. Step 4: Simplify right side
    163,666,758.15x = 20,175,313,844,292,976
  5. Step 5: Solve for x
    x = 20,175,313,844,292,976/163,666,758.15
  6. Step 6: Final answer
    x = 123,270,687.78

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1.5x scale

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.