Home / 133,216,920.96-199,514,980.53-129,539,349.24

Finding the Fourth Proportional to 133,216,920.96, 199,514,980.53 and 129,539,349.24

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Solution

The fourth proportional to 133,216,920.96, 199,514,980.53 and 129,539,349.24 is: 194,007,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,216,920.96 : 199,514,980.53 = 129,539,349.24 : x
  2. Step 2: Convert to fraction form
    133,216,920.96/199,514,980.53 = 129,539,349.24/x
  3. Step 3: Cross multiply
    133,216,920.96x = 199,514,980.53 × 129,539,349.24
  4. Step 4: Simplify right side
    133,216,920.96x = 25,845,040,741,487,468
  5. Step 5: Solve for x
    x = 25,845,040,741,487,468/133,216,920.96
  6. Step 6: Final answer
    x = 194,007,191.84

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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.