Home / 83,267,028.46-114,920,518.73-47,978,074.90

Finding the Fourth Proportional to 83,267,028.46, 114,920,518.73 and 47,978,074.90

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Solution

The fourth proportional to 83,267,028.46, 114,920,518.73 and 47,978,074.90 is: 66,216,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,267,028.46 : 114,920,518.73 = 47,978,074.90 : x
  2. Step 2: Convert to fraction form
    83,267,028.46/114,920,518.73 = 47,978,074.90/x
  3. Step 3: Cross multiply
    83,267,028.46x = 114,920,518.73 × 47,978,074.90
  4. Step 4: Simplify right side
    83,267,028.46x = 5,513,665,255,174,793
  5. Step 5: Solve for x
    x = 5,513,665,255,174,793/83,267,028.46
  6. Step 6: Final answer
    x = 66,216,668.92

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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.