Home / 188,502,611.59-260,135,997.96-103,739,489.74

Finding the Fourth Proportional to 188,502,611.59, 260,135,997.96 and 103,739,489.74

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Solution

The fourth proportional to 188,502,611.59, 260,135,997.96 and 103,739,489.74 is: 143,161,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,502,611.59 : 260,135,997.96 = 103,739,489.74 : x
  2. Step 2: Convert to fraction form
    188,502,611.59/260,135,997.96 = 103,739,489.74/x
  3. Step 3: Cross multiply
    188,502,611.59x = 260,135,997.96 × 103,739,489.74
  4. Step 4: Simplify right side
    188,502,611.59x = 26,986,375,691,376,080
  5. Step 5: Solve for x
    x = 26,986,375,691,376,080/188,502,611.59
  6. Step 6: Final answer
    x = 143,161,813.32

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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.