Home / 81,404,314.49-122,118,872.03-50,674,033.91

Finding the Fourth Proportional to 81,404,314.49, 122,118,872.03 and 50,674,033.91

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Solution

The fourth proportional to 81,404,314.49, 122,118,872.03 and 50,674,033.91 is: 76,018,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,404,314.49 : 122,118,872.03 = 50,674,033.91 : x
  2. Step 2: Convert to fraction form
    81,404,314.49/122,118,872.03 = 50,674,033.91/x
  3. Step 3: Cross multiply
    81,404,314.49x = 122,118,872.03 × 50,674,033.91
  4. Step 4: Simplify right side
    81,404,314.49x = 6,188,255,861,435,206
  5. Step 5: Solve for x
    x = 6,188,255,861,435,206/81,404,314.49
  6. Step 6: Final answer
    x = 76,018,770.02

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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.