Home / 280,674,022.88-421,050,596.84-86,601,217.52

Finding the Fourth Proportional to 280,674,022.88, 421,050,596.84 and 86,601,217.52

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Solution

The fourth proportional to 280,674,022.88, 421,050,596.84 and 86,601,217.52 is: 129,914,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,674,022.88 : 421,050,596.84 = 86,601,217.52 : x
  2. Step 2: Convert to fraction form
    280,674,022.88/421,050,596.84 = 86,601,217.52/x
  3. Step 3: Cross multiply
    280,674,022.88x = 421,050,596.84 × 86,601,217.52
  4. Step 4: Simplify right side
    280,674,022.88x = 36,463,494,321,328,400
  5. Step 5: Solve for x
    x = 36,463,494,321,328,400/280,674,022.88
  6. Step 6: Final answer
    x = 129,914,033.18

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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.