Home / 52,998,857.64-79,515,082.62-18,919,449

Finding the Fourth Proportional to 52,998,857.64, 79,515,082.62 and 18,919,449

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Solution

The fourth proportional to 52,998,857.64, 79,515,082.62 and 18,919,449 is: 28,385,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,998,857.64 : 79,515,082.62 = 18,919,449 : x
  2. Step 2: Convert to fraction form
    52,998,857.64/79,515,082.62 = 18,919,449/x
  3. Step 3: Cross multiply
    52,998,857.64x = 79,515,082.62 × 18,919,449
  4. Step 4: Simplify right side
    52,998,857.64x = 1,504,381,550,359,876.50
  5. Step 5: Solve for x
    x = 1,504,381,550,359,876.50/52,998,857.64
  6. Step 6: Final answer
    x = 28,385,169.37

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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.