Home / 188,831,735.90-260,595,837.78-105,199,819.16

Finding the Fourth Proportional to 188,831,735.90, 260,595,837.78 and 105,199,819.16

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Solution

The fourth proportional to 188,831,735.90, 260,595,837.78 and 105,199,819.16 is: 145,180,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,831,735.90 : 260,595,837.78 = 105,199,819.16 : x
  2. Step 2: Convert to fraction form
    188,831,735.90/260,595,837.78 = 105,199,819.16/x
  3. Step 3: Cross multiply
    188,831,735.90x = 260,595,837.78 × 105,199,819.16
  4. Step 4: Simplify right side
    188,831,735.90x = 27,414,635,008,304,696
  5. Step 5: Solve for x
    x = 27,414,635,008,304,696/188,831,735.90
  6. Step 6: Final answer
    x = 145,180,230.85

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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.