Home / 80,055,511,748.79-120,082,747,475.49-20,363,664,034.05

Finding the Fourth Proportional to 80,055,511,748.79, 120,082,747,475.49 and 20,363,664,034.05

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Solution

The fourth proportional to 80,055,511,748.79, 120,082,747,475.49 and 20,363,664,034.05 is: 30,545,363,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,055,511,748.79 : 120,082,747,475.49 = 20,363,664,034.05 : x
  2. Step 2: Convert to fraction form
    80,055,511,748.79/120,082,747,475.49 = 20,363,664,034.05/x
  3. Step 3: Cross multiply
    80,055,511,748.79x = 120,082,747,475.49 × 20,363,664,034.05
  4. Step 4: Simplify right side
    80,055,511,748.79x = 2,445,324,725,876,544,241,664
  5. Step 5: Solve for x
    x = 2,445,324,725,876,544,241,664/80,055,511,748.79
  6. Step 6: Final answer
    x = 30,545,363,741.47

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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.