Home / 168,940,856.34-233,138,383.65-91,678,520.34

Finding the Fourth Proportional to 168,940,856.34, 233,138,383.65 and 91,678,520.34

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Solution

The fourth proportional to 168,940,856.34, 233,138,383.65 and 91,678,520.34 is: 126,516,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,940,856.34 : 233,138,383.65 = 91,678,520.34 : x
  2. Step 2: Convert to fraction form
    168,940,856.34/233,138,383.65 = 91,678,520.34/x
  3. Step 3: Cross multiply
    168,940,856.34x = 233,138,383.65 × 91,678,520.34
  4. Step 4: Simplify right side
    168,940,856.34x = 21,373,782,047,491,248
  5. Step 5: Solve for x
    x = 21,373,782,047,491,248/168,940,856.34
  6. Step 6: Final answer
    x = 126,516,359.10

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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.