Home / 78,067,503.46-107,733,787.32-43,260,775.30

Finding the Fourth Proportional to 78,067,503.46, 107,733,787.32 and 43,260,775.30

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Solution

The fourth proportional to 78,067,503.46, 107,733,787.32 and 43,260,775.30 is: 59,700,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067,503.46 : 107,733,787.32 = 43,260,775.30 : x
  2. Step 2: Convert to fraction form
    78,067,503.46/107,733,787.32 = 43,260,775.30/x
  3. Step 3: Cross multiply
    78,067,503.46x = 107,733,787.32 × 43,260,775.30
  4. Step 4: Simplify right side
    78,067,503.46x = 4,660,647,165,468,509
  5. Step 5: Solve for x
    x = 4,660,647,165,468,509/78,067,503.46
  6. Step 6: Final answer
    x = 59,700,220.44

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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.