Home / 168,945,793.80-253,418,690.70-132,666,088.20

Finding the Fourth Proportional to 168,945,793.80, 253,418,690.70 and 132,666,088.20

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Solution

The fourth proportional to 168,945,793.80, 253,418,690.70 and 132,666,088.20 is: 198,999,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,945,793.80 : 253,418,690.70 = 132,666,088.20 : x
  2. Step 2: Convert to fraction form
    168,945,793.80/253,418,690.70 = 132,666,088.20/x
  3. Step 3: Cross multiply
    168,945,793.80x = 253,418,690.70 × 132,666,088.20
  4. Step 4: Simplify right side
    168,945,793.80x = 33,620,066,371,934,720
  5. Step 5: Solve for x
    x = 33,620,066,371,934,720/168,945,793.80
  6. Step 6: Final answer
    x = 198,999,132.30

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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.