Home / 77,042,839.60-115,581,366.60-25,923,415.60

Finding the Fourth Proportional to 77,042,839.60, 115,581,366.60 and 25,923,415.60

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Solution

The fourth proportional to 77,042,839.60, 115,581,366.60 and 25,923,415.60 is: 38,890,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,042,839.60 : 115,581,366.60 = 25,923,415.60 : x
  2. Step 2: Convert to fraction form
    77,042,839.60/115,581,366.60 = 25,923,415.60/x
  3. Step 3: Cross multiply
    77,042,839.60x = 115,581,366.60 × 25,923,415.60
  4. Step 4: Simplify right side
    77,042,839.60x = 2,996,263,801,987,759
  5. Step 5: Solve for x
    x = 2,996,263,801,987,759/77,042,839.60
  6. Step 6: Final answer
    x = 38,890,879.64

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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.