Home / 133,059,728.80-199,589,593.20-90,061,559.20

Finding the Fourth Proportional to 133,059,728.80, 199,589,593.20 and 90,061,559.20

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Solution

The fourth proportional to 133,059,728.80, 199,589,593.20 and 90,061,559.20 is: 135,092,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,728.80 : 199,589,593.20 = 90,061,559.20 : x
  2. Step 2: Convert to fraction form
    133,059,728.80/199,589,593.20 = 90,061,559.20/x
  3. Step 3: Cross multiply
    133,059,728.80x = 199,589,593.20 × 90,061,559.20
  4. Step 4: Simplify right side
    133,059,728.80x = 17,975,349,963,685,716
  5. Step 5: Solve for x
    x = 17,975,349,963,685,716/133,059,728.80
  6. Step 6: Final answer
    x = 135,092,338.80

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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.