Home / 77,239,247.40-115,933,520.70-38,944,002.60

Finding the Fourth Proportional to 77,239,247.40, 115,933,520.70 and 38,944,002.60

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Solution

The fourth proportional to 77,239,247.40, 115,933,520.70 and 38,944,002.60 is: 58,453,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,239,247.40 : 115,933,520.70 = 38,944,002.60 : x
  2. Step 2: Convert to fraction form
    77,239,247.40/115,933,520.70 = 38,944,002.60/x
  3. Step 3: Cross multiply
    77,239,247.40x = 115,933,520.70 × 38,944,002.60
  4. Step 4: Simplify right side
    77,239,247.40x = 4,514,915,331,567,954
  5. Step 5: Solve for x
    x = 4,514,915,331,567,954/77,239,247.40
  6. Step 6: Final answer
    x = 58,453,642.20

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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.