Home / 188,621,051.67-260,297,063.30-104,987,381.88

Finding the Fourth Proportional to 188,621,051.67, 260,297,063.30 and 104,987,381.88

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Solution

The fourth proportional to 188,621,051.67, 260,297,063.30 and 104,987,381.88 is: 144,882,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,621,051.67 : 260,297,063.30 = 104,987,381.88 : x
  2. Step 2: Convert to fraction form
    188,621,051.67/260,297,063.30 = 104,987,381.88/x
  3. Step 3: Cross multiply
    188,621,051.67x = 260,297,063.30 × 104,987,381.88
  4. Step 4: Simplify right side
    188,621,051.67x = 27,327,907,188,158,220
  5. Step 5: Solve for x
    x = 27,327,907,188,158,220/188,621,051.67
  6. Step 6: Final answer
    x = 144,882,593.68

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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.