Home / 78,040,634.16-107,702,688.66-43,244,239.44

Finding the Fourth Proportional to 78,040,634.16, 107,702,688.66 and 43,244,239.44

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Solution

The fourth proportional to 78,040,634.16, 107,702,688.66 and 43,244,239.44 is: 59,680,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,040,634.16 : 107,702,688.66 = 43,244,239.44 : x
  2. Step 2: Convert to fraction form
    78,040,634.16/107,702,688.66 = 43,244,239.44/x
  3. Step 3: Cross multiply
    78,040,634.16x = 107,702,688.66 × 43,244,239.44
  4. Step 4: Simplify right side
    78,040,634.16x = 4,657,520,856,744,812
  5. Step 5: Solve for x
    x = 4,657,520,856,744,812/78,040,634.16
  6. Step 6: Final answer
    x = 59,680,715.14

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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.