Home / 107,780,436.72-161,668,333.89-30,055,269.85

Finding the Fourth Proportional to 107,780,436.72, 161,668,333.89 and 30,055,269.85

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Solution

The fourth proportional to 107,780,436.72, 161,668,333.89 and 30,055,269.85 is: 45,082,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,780,436.72 : 161,668,333.89 = 30,055,269.85 : x
  2. Step 2: Convert to fraction form
    107,780,436.72/161,668,333.89 = 30,055,269.85/x
  3. Step 3: Cross multiply
    107,780,436.72x = 161,668,333.89 × 30,055,269.85
  4. Step 4: Simplify right side
    107,780,436.72x = 4,858,985,401,263,850
  5. Step 5: Solve for x
    x = 4,858,985,401,263,850/107,780,436.72
  6. Step 6: Final answer
    x = 45,082,257.50

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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.