Home / 78,330,648.56-108,098,886.69-43,049,704.24

Finding the Fourth Proportional to 78,330,648.56, 108,098,886.69 and 43,049,704.24

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Solution

The fourth proportional to 78,330,648.56, 108,098,886.69 and 43,049,704.24 is: 59,410,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,330,648.56 : 108,098,886.69 = 43,049,704.24 : x
  2. Step 2: Convert to fraction form
    78,330,648.56/108,098,886.69 = 43,049,704.24/x
  3. Step 3: Cross multiply
    78,330,648.56x = 108,098,886.69 × 43,049,704.24
  4. Step 4: Simplify right side
    78,330,648.56x = 4,653,625,100,812,896
  5. Step 5: Solve for x
    x = 4,653,625,100,812,896/78,330,648.56
  6. Step 6: Final answer
    x = 59,410,016.22

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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.