Home / 135,694,982.16-187,258,933.65-73,815,173.10

Finding the Fourth Proportional to 135,694,982.16, 187,258,933.65 and 73,815,173.10

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Solution

The fourth proportional to 135,694,982.16, 187,258,933.65 and 73,815,173.10 is: 101,864,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,694,982.16 : 187,258,933.65 = 73,815,173.10 : x
  2. Step 2: Convert to fraction form
    135,694,982.16/187,258,933.65 = 73,815,173.10/x
  3. Step 3: Cross multiply
    135,694,982.16x = 187,258,933.65 × 73,815,173.10
  4. Step 4: Simplify right side
    135,694,982.16x = 13,822,550,601,896,164
  5. Step 5: Solve for x
    x = 13,822,550,601,896,164/135,694,982.16
  6. Step 6: Final answer
    x = 101,864,861.78

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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.