Home / 91,214,108.88-125,873,914.44-49,397,834.52

Finding the Fourth Proportional to 91,214,108.88, 125,873,914.44 and 49,397,834.52

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Solution

The fourth proportional to 91,214,108.88, 125,873,914.44 and 49,397,834.52 is: 68,168,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214,108.88 : 125,873,914.44 = 49,397,834.52 : x
  2. Step 2: Convert to fraction form
    91,214,108.88/125,873,914.44 = 49,397,834.52/x
  3. Step 3: Cross multiply
    91,214,108.88x = 125,873,914.44 × 49,397,834.52
  4. Step 4: Simplify right side
    91,214,108.88x = 6,217,898,795,891,759
  5. Step 5: Solve for x
    x = 6,217,898,795,891,759/91,214,108.88
  6. Step 6: Final answer
    x = 68,168,169.07

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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.