Home / 168,051,836,313.75-231,917,065,603.78-91,926,508,229.31

Finding the Fourth Proportional to 168,051,836,313.75, 231,917,065,603.78 and 91,926,508,229.31

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Solution

The fourth proportional to 168,051,836,313.75, 231,917,065,603.78 and 91,926,508,229.31 is: 126,861,607,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,051,836,313.75 : 231,917,065,603.78 = 91,926,508,229.31 : x
  2. Step 2: Convert to fraction form
    168,051,836,313.75/231,917,065,603.78 = 91,926,508,229.31/x
  3. Step 3: Cross multiply
    168,051,836,313.75x = 231,917,065,603.78 × 91,926,508,229.31
  4. Step 4: Simplify right side
    168,051,836,313.75x = 21,319,326,039,743,307,710,464
  5. Step 5: Solve for x
    x = 21,319,326,039,743,307,710,464/168,051,836,313.75
  6. Step 6: Final answer
    x = 126,861,607,152.81

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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.