Home / 77,821,676.42-116,730,644.39-25,299,279.69

Finding the Fourth Proportional to 77,821,676.42, 116,730,644.39 and 25,299,279.69

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Solution

The fourth proportional to 77,821,676.42, 116,730,644.39 and 25,299,279.69 is: 37,948,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,821,676.42 : 116,730,644.39 = 25,299,279.69 : x
  2. Step 2: Convert to fraction form
    77,821,676.42/116,730,644.39 = 25,299,279.69/x
  3. Step 3: Cross multiply
    77,821,676.42x = 116,730,644.39 × 25,299,279.69
  4. Step 4: Simplify right side
    77,821,676.42x = 2,953,201,220,690,043.50
  5. Step 5: Solve for x
    x = 2,953,201,220,690,043.50/77,821,676.42
  6. Step 6: Final answer
    x = 37,948,311.53

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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.