Home / 108,881,327.80-163,321,991.70-92,442,086.20

Finding the Fourth Proportional to 108,881,327.80, 163,321,991.70 and 92,442,086.20

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Solution

The fourth proportional to 108,881,327.80, 163,321,991.70 and 92,442,086.20 is: 138,663,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,881,327.80 : 163,321,991.70 = 92,442,086.20 : x
  2. Step 2: Convert to fraction form
    108,881,327.80/163,321,991.70 = 92,442,086.20/x
  3. Step 3: Cross multiply
    108,881,327.80x = 163,321,991.70 × 92,442,086.20
  4. Step 4: Simplify right side
    108,881,327.80x = 15,097,825,635,087,084
  5. Step 5: Solve for x
    x = 15,097,825,635,087,084/108,881,327.80
  6. Step 6: Final answer
    x = 138,663,129.30

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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.