Home / 85,034,721.88-117,351,632.33-47,867,400.46

Finding the Fourth Proportional to 85,034,721.88, 117,351,632.33 and 47,867,400.46

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Solution

The fourth proportional to 85,034,721.88, 117,351,632.33 and 47,867,400.46 is: 66,059,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,034,721.88 : 117,351,632.33 = 47,867,400.46 : x
  2. Step 2: Convert to fraction form
    85,034,721.88/117,351,632.33 = 47,867,400.46/x
  3. Step 3: Cross multiply
    85,034,721.88x = 117,351,632.33 × 47,867,400.46
  4. Step 4: Simplify right side
    85,034,721.88x = 5,617,317,579,374,793
  5. Step 5: Solve for x
    x = 5,617,317,579,374,793/85,034,721.88
  6. Step 6: Final answer
    x = 66,059,104.51

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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.