Home / 115,231,589,099.52-159,021,475,615.12-63,087,449,840.96

Finding the Fourth Proportional to 115,231,589,099.52, 159,021,475,615.12 and 63,087,449,840.96

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Solution

The fourth proportional to 115,231,589,099.52, 159,021,475,615.12 and 63,087,449,840.96 is: 87,061,711,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,231,589,099.52 : 159,021,475,615.12 = 63,087,449,840.96 : x
  2. Step 2: Convert to fraction form
    115,231,589,099.52/159,021,475,615.12 = 63,087,449,840.96/x
  3. Step 3: Cross multiply
    115,231,589,099.52x = 159,021,475,615.12 × 63,087,449,840.96
  4. Step 4: Simplify right side
    115,231,589,099.52x = 10,032,259,366,504,326,234,112
  5. Step 5: Solve for x
    x = 10,032,259,366,504,326,234,112/115,231,589,099.52
  6. Step 6: Final answer
    x = 87,061,711,505.51

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1.5x scale

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.