Home / 53,879,835.50-80,820,453.63-17,978,043.50

Finding the Fourth Proportional to 53,879,835.50, 80,820,453.63 and 17,978,043.50

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Solution

The fourth proportional to 53,879,835.50, 80,820,453.63 and 17,978,043.50 is: 26,967,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879,835.50 : 80,820,453.63 = 17,978,043.50 : x
  2. Step 2: Convert to fraction form
    53,879,835.50/80,820,453.63 = 17,978,043.50/x
  3. Step 3: Cross multiply
    53,879,835.50x = 80,820,453.63 × 17,978,043.50
  4. Step 4: Simplify right side
    53,879,835.50x = 1,452,993,631,049,872.75
  5. Step 5: Solve for x
    x = 1,452,993,631,049,872.75/53,879,835.50
  6. Step 6: Final answer
    x = 26,967,298.95

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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.