Home / 168,051,836,315.50-231,917,065,606.20-91,926,508,231.06

Finding the Fourth Proportional to 168,051,836,315.50, 231,917,065,606.20 and 91,926,508,231.06

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Solution

The fourth proportional to 168,051,836,315.50, 231,917,065,606.20 and 91,926,508,231.06 is: 126,861,607,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,051,836,315.50 : 231,917,065,606.20 = 91,926,508,231.06 : x
  2. Step 2: Convert to fraction form
    168,051,836,315.50/231,917,065,606.20 = 91,926,508,231.06/x
  3. Step 3: Cross multiply
    168,051,836,315.50x = 231,917,065,606.20 × 91,926,508,231.06
  4. Step 4: Simplify right side
    168,051,836,315.50x = 21,319,326,040,371,627,032,576
  5. Step 5: Solve for x
    x = 21,319,326,040,371,627,032,576/168,051,836,315.50
  6. Step 6: Final answer
    x = 126,861,607,155.23

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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.