Home / 147,347,837.57-220,561,956.10-108,530,120.61

Finding the Fourth Proportional to 147,347,837.57, 220,561,956.10 and 108,530,120.61

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Solution

The fourth proportional to 147,347,837.57, 220,561,956.10 and 108,530,120.61 is: 162,456,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,347,837.57 : 220,561,956.10 = 108,530,120.61 : x
  2. Step 2: Convert to fraction form
    147,347,837.57/220,561,956.10 = 108,530,120.61/x
  3. Step 3: Cross multiply
    147,347,837.57x = 220,561,956.10 × 108,530,120.61
  4. Step 4: Simplify right side
    147,347,837.57x = 23,937,615,697,570,356
  5. Step 5: Solve for x
    x = 23,937,615,697,570,356/147,347,837.57
  6. Step 6: Final answer
    x = 162,456,511.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.