Home / 124,869,072.33-187,368,191.69-90,607,943.43

Finding the Fourth Proportional to 124,869,072.33, 187,368,191.69 and 90,607,943.43

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Solution

The fourth proportional to 124,869,072.33, 187,368,191.69 and 90,607,943.43 is: 135,958,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,869,072.33 : 187,368,191.69 = 90,607,943.43 : x
  2. Step 2: Convert to fraction form
    124,869,072.33/187,368,191.69 = 90,607,943.43/x
  3. Step 3: Cross multiply
    124,869,072.33x = 187,368,191.69 × 90,607,943.43
  4. Step 4: Simplify right side
    124,869,072.33x = 16,977,046,512,775,878
  5. Step 5: Solve for x
    x = 16,977,046,512,775,878/124,869,072.33
  6. Step 6: Final answer
    x = 135,958,778.23

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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.