Home / 91,629,349,778.09-137,463,807,611.61-27,891,679,761.60

Finding the Fourth Proportional to 91,629,349,778.09, 137,463,807,611.61 and 27,891,679,761.60

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Solution

The fourth proportional to 91,629,349,778.09, 137,463,807,611.61 and 27,891,679,761.60 is: 41,843,541,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,629,349,778.09 : 137,463,807,611.61 = 27,891,679,761.60 : x
  2. Step 2: Convert to fraction form
    91,629,349,778.09/137,463,807,611.61 = 27,891,679,761.60/x
  3. Step 3: Cross multiply
    91,629,349,778.09x = 137,463,807,611.61 × 27,891,679,761.60
  4. Step 4: Simplify right side
    91,629,349,778.09x = 3,834,096,500,713,218,113,536
  5. Step 5: Solve for x
    x = 3,834,096,500,713,218,113,536/91,629,349,778.09
  6. Step 6: Final answer
    x = 41,843,541,507.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.