Home / 77,259,125.72-115,894,759.56-21,926,081.60

Finding the Fourth Proportional to 77,259,125.72, 115,894,759.56 and 21,926,081.60

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Solution

The fourth proportional to 77,259,125.72, 115,894,759.56 and 21,926,081.60 is: 32,890,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,259,125.72 : 115,894,759.56 = 21,926,081.60 : x
  2. Step 2: Convert to fraction form
    77,259,125.72/115,894,759.56 = 21,926,081.60/x
  3. Step 3: Cross multiply
    77,259,125.72x = 115,894,759.56 × 21,926,081.60
  4. Step 4: Simplify right side
    77,259,125.72x = 2,541,117,955,104,636.50
  5. Step 5: Solve for x
    x = 2,541,117,955,104,636.50/77,259,125.72
  6. Step 6: Final answer
    x = 32,890,845.34

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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.