Home / 135,578,905.69-187,100,939.85-76,053,396.89

Finding the Fourth Proportional to 135,578,905.69, 187,100,939.85 and 76,053,396.89

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Solution

The fourth proportional to 135,578,905.69, 187,100,939.85 and 76,053,396.89 is: 104,954,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,578,905.69 : 187,100,939.85 = 76,053,396.89 : x
  2. Step 2: Convert to fraction form
    135,578,905.69/187,100,939.85 = 76,053,396.89/x
  3. Step 3: Cross multiply
    135,578,905.69x = 187,100,939.85 × 76,053,396.89
  4. Step 4: Simplify right side
    135,578,905.69x = 14,229,662,036,523,800
  5. Step 5: Solve for x
    x = 14,229,662,036,523,800/135,578,905.69
  6. Step 6: Final answer
    x = 104,954,837.66

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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.