Home / 193,121,921.32-266,500,138.26-109,495,677.40

Finding the Fourth Proportional to 193,121,921.32, 266,500,138.26 and 109,495,677.40

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Solution

The fourth proportional to 193,121,921.32, 266,500,138.26 and 109,495,677.40 is: 151,099,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,121,921.32 : 266,500,138.26 = 109,495,677.40 : x
  2. Step 2: Convert to fraction form
    193,121,921.32/266,500,138.26 = 109,495,677.40/x
  3. Step 3: Cross multiply
    193,121,921.32x = 266,500,138.26 × 109,495,677.40
  4. Step 4: Simplify right side
    193,121,921.32x = 29,180,613,165,972,356
  5. Step 5: Solve for x
    x = 29,180,613,165,972,356/193,121,921.32
  6. Step 6: Final answer
    x = 151,099,434.84

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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.