Home / 193,121,924.82-266,500,143.09-109,495,680.90

Finding the Fourth Proportional to 193,121,924.82, 266,500,143.09 and 109,495,680.90

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Solution

The fourth proportional to 193,121,924.82, 266,500,143.09 and 109,495,680.90 is: 151,099,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,121,924.82 : 266,500,143.09 = 109,495,680.90 : x
  2. Step 2: Convert to fraction form
    193,121,924.82/266,500,143.09 = 109,495,680.90/x
  3. Step 3: Cross multiply
    193,121,924.82x = 266,500,143.09 × 109,495,680.90
  4. Step 4: Simplify right side
    193,121,924.82x = 29,180,614,627,586,980
  5. Step 5: Solve for x
    x = 29,180,614,627,586,980/193,121,924.82
  6. Step 6: Final answer
    x = 151,099,439.67

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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.