Home / 78,080,570.06-107,751,184.54-43,278,489.14

Finding the Fourth Proportional to 78,080,570.06, 107,751,184.54 and 43,278,489.14

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Solution

The fourth proportional to 78,080,570.06, 107,751,184.54 and 43,278,489.14 is: 59,724,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080,570.06 : 107,751,184.54 = 43,278,489.14 : x
  2. Step 2: Convert to fraction form
    78,080,570.06/107,751,184.54 = 43,278,489.14/x
  3. Step 3: Cross multiply
    78,080,570.06x = 107,751,184.54 × 43,278,489.14
  4. Step 4: Simplify right side
    78,080,570.06x = 4,663,308,469,289,573
  5. Step 5: Solve for x
    x = 4,663,308,469,289,573/78,080,570.06
  6. Step 6: Final answer
    x = 59,724,313.82

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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.