Home / 83,267,029.71-114,920,520.46-47,978,076.15

Finding the Fourth Proportional to 83,267,029.71, 114,920,520.46 and 47,978,076.15

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Solution

The fourth proportional to 83,267,029.71, 114,920,520.46 and 47,978,076.15 is: 66,216,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,267,029.71 : 114,920,520.46 = 47,978,076.15 : x
  2. Step 2: Convert to fraction form
    83,267,029.71/114,920,520.46 = 47,978,076.15/x
  3. Step 3: Cross multiply
    83,267,029.71x = 114,920,520.46 × 47,978,076.15
  4. Step 4: Simplify right side
    83,267,029.71x = 5,513,665,481,707,567
  5. Step 5: Solve for x
    x = 5,513,665,481,707,567/83,267,029.71
  6. Step 6: Final answer
    x = 66,216,670.64

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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.