Home / 91,214,405.42-125,877,515.13-49,958,640.59

Finding the Fourth Proportional to 91,214,405.42, 125,877,515.13 and 49,958,640.59

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Solution

The fourth proportional to 91,214,405.42, 125,877,515.13 and 49,958,640.59 is: 68,943,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214,405.42 : 125,877,515.13 = 49,958,640.59 : x
  2. Step 2: Convert to fraction form
    91,214,405.42/125,877,515.13 = 49,958,640.59/x
  3. Step 3: Cross multiply
    91,214,405.42x = 125,877,515.13 × 49,958,640.59
  4. Step 4: Simplify right side
    91,214,405.42x = 6,288,669,536,112,569
  5. Step 5: Solve for x
    x = 6,288,669,536,112,569/91,214,405.42
  6. Step 6: Final answer
    x = 68,943,819.87

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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.