Home / 83,794,902.71-115,619,635.26-48,980,858.90

Finding the Fourth Proportional to 83,794,902.71, 115,619,635.26 and 48,980,858.90

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Solution

The fourth proportional to 83,794,902.71, 115,619,635.26 and 48,980,858.90 is: 67,583,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,794,902.71 : 115,619,635.26 = 48,980,858.90 : x
  2. Step 2: Convert to fraction form
    83,794,902.71/115,619,635.26 = 48,980,858.90/x
  3. Step 3: Cross multiply
    83,794,902.71x = 115,619,635.26 × 48,980,858.90
  4. Step 4: Simplify right side
    83,794,902.71x = 5,663,149,040,739,525
  5. Step 5: Solve for x
    x = 5,663,149,040,739,525/83,794,902.71
  6. Step 6: Final answer
    x = 67,583,455.05

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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.