Home / 78,967,281.12-109,002,244.08-54,269,226

Finding the Fourth Proportional to 78,967,281.12, 109,002,244.08 and 54,269,226

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Solution

The fourth proportional to 78,967,281.12, 109,002,244.08 and 54,269,226 is: 74,910,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,967,281.12 : 109,002,244.08 = 54,269,226 : x
  2. Step 2: Convert to fraction form
    78,967,281.12/109,002,244.08 = 54,269,226/x
  3. Step 3: Cross multiply
    78,967,281.12x = 109,002,244.08 × 54,269,226
  4. Step 4: Simplify right side
    78,967,281.12x = 5,915,467,418,484,682
  5. Step 5: Solve for x
    x = 5,915,467,418,484,682/78,967,281.12
  6. Step 6: Final answer
    x = 74,910,359.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.