Home / 133,073,290.30-199,311,337.05-109,185,418.30

Finding the Fourth Proportional to 133,073,290.30, 199,311,337.05 and 109,185,418.30

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Solution

The fourth proportional to 133,073,290.30, 199,311,337.05 and 109,185,418.30 is: 163,533,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073,290.30 : 199,311,337.05 = 109,185,418.30 : x
  2. Step 2: Convert to fraction form
    133,073,290.30/199,311,337.05 = 109,185,418.30/x
  3. Step 3: Cross multiply
    133,073,290.30x = 199,311,337.05 × 109,185,418.30
  4. Step 4: Simplify right side
    133,073,290.30x = 21,761,891,707,736,540
  5. Step 5: Solve for x
    x = 21,761,891,707,736,540/133,073,290.30
  6. Step 6: Final answer
    x = 163,533,130.19

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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.