Home / 115,882,759.20-173,824,138.80-39,208,288.80

Finding the Fourth Proportional to 115,882,759.20, 173,824,138.80 and 39,208,288.80

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Solution

The fourth proportional to 115,882,759.20, 173,824,138.80 and 39,208,288.80 is: 58,812,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,882,759.20 : 173,824,138.80 = 39,208,288.80 : x
  2. Step 2: Convert to fraction form
    115,882,759.20/173,824,138.80 = 39,208,288.80/x
  3. Step 3: Cross multiply
    115,882,759.20x = 173,824,138.80 × 39,208,288.80
  4. Step 4: Simplify right side
    115,882,759.20x = 6,815,347,034,481,685
  5. Step 5: Solve for x
    x = 6,815,347,034,481,685/115,882,759.20
  6. Step 6: Final answer
    x = 58,812,433.20

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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.