Home / 189,124,819.11-260,998,740.32-109,733,885.60

Finding the Fourth Proportional to 189,124,819.11, 260,998,740.32 and 109,733,885.60

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Solution

The fourth proportional to 189,124,819.11, 260,998,740.32 and 109,733,885.60 is: 151,436,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,124,819.11 : 260,998,740.32 = 109,733,885.60 : x
  2. Step 2: Convert to fraction form
    189,124,819.11/260,998,740.32 = 109,733,885.60/x
  3. Step 3: Cross multiply
    189,124,819.11x = 260,998,740.32 × 109,733,885.60
  4. Step 4: Simplify right side
    189,124,819.11x = 28,640,405,910,165,324
  5. Step 5: Solve for x
    x = 28,640,405,910,165,324/189,124,819.11
  6. Step 6: Final answer
    x = 151,436,527.71

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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.