Home / 139,136,879.26-207,768,360.88-113,628,488.86

Finding the Fourth Proportional to 139,136,879.26, 207,768,360.88 and 113,628,488.86

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Solution

The fourth proportional to 139,136,879.26, 207,768,360.88 and 113,628,488.86 is: 169,677,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,136,879.26 : 207,768,360.88 = 113,628,488.86 : x
  2. Step 2: Convert to fraction form
    139,136,879.26/207,768,360.88 = 113,628,488.86/x
  3. Step 3: Cross multiply
    139,136,879.26x = 207,768,360.88 × 113,628,488.86
  4. Step 4: Simplify right side
    139,136,879.26x = 23,608,404,879,713,540
  5. Step 5: Solve for x
    x = 23,608,404,879,713,540/139,136,879.26
  6. Step 6: Final answer
    x = 169,677,550.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.