Home / 83,078,357.30-124,622,850.38-31,960,376.11

Finding the Fourth Proportional to 83,078,357.30, 124,622,850.38 and 31,960,376.11

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Solution

The fourth proportional to 83,078,357.30, 124,622,850.38 and 31,960,376.11 is: 47,942,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,078,357.30 : 124,622,850.38 = 31,960,376.11 : x
  2. Step 2: Convert to fraction form
    83,078,357.30/124,622,850.38 = 31,960,376.11/x
  3. Step 3: Cross multiply
    83,078,357.30x = 124,622,850.38 × 31,960,376.11
  4. Step 4: Simplify right side
    83,078,357.30x = 3,982,993,170,041,033
  5. Step 5: Solve for x
    x = 3,982,993,170,041,033/83,078,357.30
  6. Step 6: Final answer
    x = 47,942,608.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.