Home / 133,216,919.96-199,514,979.03-129,539,348.24

Finding the Fourth Proportional to 133,216,919.96, 199,514,979.03 and 129,539,348.24

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Solution

The fourth proportional to 133,216,919.96, 199,514,979.03 and 129,539,348.24 is: 194,007,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,216,919.96 : 199,514,979.03 = 129,539,348.24 : x
  2. Step 2: Convert to fraction form
    133,216,919.96/199,514,979.03 = 129,539,348.24/x
  3. Step 3: Cross multiply
    133,216,919.96x = 199,514,979.03 × 129,539,348.24
  4. Step 4: Simplify right side
    133,216,919.96x = 25,845,040,347,663,468
  5. Step 5: Solve for x
    x = 25,845,040,347,663,468/133,216,919.96
  6. Step 6: Final answer
    x = 194,007,190.34

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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.