Home / 78,503,959.89-108,335,467.71-43,695,904.82

Finding the Fourth Proportional to 78,503,959.89, 108,335,467.71 and 43,695,904.82

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Solution

The fourth proportional to 78,503,959.89, 108,335,467.71 and 43,695,904.82 is: 60,300,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,503,959.89 : 108,335,467.71 = 43,695,904.82 : x
  2. Step 2: Convert to fraction form
    78,503,959.89/108,335,467.71 = 43,695,904.82/x
  3. Step 3: Cross multiply
    78,503,959.89x = 108,335,467.71 × 43,695,904.82
  4. Step 4: Simplify right side
    78,503,959.89x = 4,733,816,285,144,665
  5. Step 5: Solve for x
    x = 4,733,816,285,144,665/78,503,959.89
  6. Step 6: Final answer
    x = 60,300,350.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.