Home / 85,381,151,134.41-117,825,999,734.43-47,321,815,258.26

Finding the Fourth Proportional to 85,381,151,134.41, 117,825,999,734.43 and 47,321,815,258.26

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Solution

The fourth proportional to 85,381,151,134.41, 117,825,999,734.43 and 47,321,815,258.26 is: 65,304,111,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,381,151,134.41 : 117,825,999,734.43 = 47,321,815,258.26 : x
  2. Step 2: Convert to fraction form
    85,381,151,134.41/117,825,999,734.43 = 47,321,815,258.26/x
  3. Step 3: Cross multiply
    85,381,151,134.41x = 117,825,999,734.43 × 47,321,815,258.26
  4. Step 4: Simplify right side
    85,381,151,134.41x = 5,575,740,192,052,488,437,760
  5. Step 5: Solve for x
    x = 5,575,740,192,052,488,437,760/85,381,151,134.41
  6. Step 6: Final answer
    x = 65,304,111,246.70

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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.