Home / 163,666,757.64-225,856,924.02-89,327,851.06

Finding the Fourth Proportional to 163,666,757.64, 225,856,924.02 and 89,327,851.06

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Solution

The fourth proportional to 163,666,757.64, 225,856,924.02 and 89,327,851.06 is: 123,270,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,666,757.64 : 225,856,924.02 = 89,327,851.06 : x
  2. Step 2: Convert to fraction form
    163,666,757.64/225,856,924.02 = 89,327,851.06/x
  3. Step 3: Cross multiply
    163,666,757.64x = 225,856,924.02 × 89,327,851.06
  4. Step 4: Simplify right side
    163,666,757.64x = 20,175,313,669,728,296
  5. Step 5: Solve for x
    x = 20,175,313,669,728,296/163,666,757.64
  6. Step 6: Final answer
    x = 123,270,687.10

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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.