Home / 78,263,517.82-108,045,585.46-60,342,597.44

Finding the Fourth Proportional to 78,263,517.82, 108,045,585.46 and 60,342,597.44

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Solution

The fourth proportional to 78,263,517.82, 108,045,585.46 and 60,342,597.44 is: 83,305,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,263,517.82 : 108,045,585.46 = 60,342,597.44 : x
  2. Step 2: Convert to fraction form
    78,263,517.82/108,045,585.46 = 60,342,597.44/x
  3. Step 3: Cross multiply
    78,263,517.82x = 108,045,585.46 × 60,342,597.44
  4. Step 4: Simplify right side
    78,263,517.82x = 6,519,751,268,581,897
  5. Step 5: Solve for x
    x = 6,519,751,268,581,897/78,263,517.82
  6. Step 6: Final answer
    x = 83,305,113.93

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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.