Home / 135,578,906.69-187,100,941.23-76,053,397.89

Finding the Fourth Proportional to 135,578,906.69, 187,100,941.23 and 76,053,397.89

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Solution

The fourth proportional to 135,578,906.69, 187,100,941.23 and 76,053,397.89 is: 104,954,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,578,906.69 : 187,100,941.23 = 76,053,397.89 : x
  2. Step 2: Convert to fraction form
    135,578,906.69/187,100,941.23 = 76,053,397.89/x
  3. Step 3: Cross multiply
    135,578,906.69x = 187,100,941.23 × 76,053,397.89
  4. Step 4: Simplify right side
    135,578,906.69x = 14,229,662,328,958,696
  5. Step 5: Solve for x
    x = 14,229,662,328,958,696/135,578,906.69
  6. Step 6: Final answer
    x = 104,954,839.04

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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.