Home / 78,213,716.49-117,320,574.92-41,711,518.88

Finding the Fourth Proportional to 78,213,716.49, 117,320,574.92 and 41,711,518.88

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Solution

The fourth proportional to 78,213,716.49, 117,320,574.92 and 41,711,518.88 is: 62,567,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,213,716.49 : 117,320,574.92 = 41,711,518.88 : x
  2. Step 2: Convert to fraction form
    78,213,716.49/117,320,574.92 = 41,711,518.88/x
  3. Step 3: Cross multiply
    78,213,716.49x = 117,320,574.92 × 41,711,518.88
  4. Step 4: Simplify right side
    78,213,716.49x = 4,893,619,374,992,874
  5. Step 5: Solve for x
    x = 4,893,619,374,992,874/78,213,716.49
  6. Step 6: Final answer
    x = 62,567,278.41

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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.