Home / 80,238,678,832.20-120,391,010,142.60-35,446,535,527.08

Finding the Fourth Proportional to 80,238,678,832.20, 120,391,010,142.60 and 35,446,535,527.08

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Solution

The fourth proportional to 80,238,678,832.20, 120,391,010,142.60 and 35,446,535,527.08 is: 53,184,377,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238,678,832.20 : 120,391,010,142.60 = 35,446,535,527.08 : x
  2. Step 2: Convert to fraction form
    80,238,678,832.20/120,391,010,142.60 = 35,446,535,527.08/x
  3. Step 3: Cross multiply
    80,238,678,832.20x = 120,391,010,142.60 × 35,446,535,527.08
  4. Step 4: Simplify right side
    80,238,678,832.20x = 4,267,444,218,160,719,855,616
  5. Step 5: Solve for x
    x = 4,267,444,218,160,719,855,616/80,238,678,832.20
  6. Step 6: Final answer
    x = 53,184,377,911.87

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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.