Home / 131,795,983.26-181,879,936.38-75,288,212.82

Finding the Fourth Proportional to 131,795,983.26, 181,879,936.38 and 75,288,212.82

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Solution

The fourth proportional to 131,795,983.26, 181,879,936.38 and 75,288,212.82 is: 103,898,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795,983.26 : 181,879,936.38 = 75,288,212.82 : x
  2. Step 2: Convert to fraction form
    131,795,983.26/181,879,936.38 = 75,288,212.82/x
  3. Step 3: Cross multiply
    131,795,983.26x = 181,879,936.38 × 75,288,212.82
  4. Step 4: Simplify right side
    131,795,983.26x = 13,693,415,357,865,498
  5. Step 5: Solve for x
    x = 13,693,415,357,865,498/131,795,983.26
  6. Step 6: Final answer
    x = 103,898,578.84

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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.