Home / 423,768,761.96-635,310,117.46-132,485,949.86

Finding the Fourth Proportional to 423,768,761.96, 635,310,117.46 and 132,485,949.86

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Solution

The fourth proportional to 423,768,761.96, 635,310,117.46 and 132,485,949.86 is: 198,621,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,768,761.96 : 635,310,117.46 = 132,485,949.86 : x
  2. Step 2: Convert to fraction form
    423,768,761.96/635,310,117.46 = 132,485,949.86/x
  3. Step 3: Cross multiply
    423,768,761.96x = 635,310,117.46 × 132,485,949.86
  4. Step 4: Simplify right side
    423,768,761.96x = 84,169,664,368,613,328
  5. Step 5: Solve for x
    x = 84,169,664,368,613,328/423,768,761.96
  6. Step 6: Final answer
    x = 198,621,682.21

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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.