Home / 45,340,400.80-68,010,601.20-18,433,367.20

Finding the Fourth Proportional to 45,340,400.80, 68,010,601.20 and 18,433,367.20

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Solution

The fourth proportional to 45,340,400.80, 68,010,601.20 and 18,433,367.20 is: 27,650,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,340,400.80 : 68,010,601.20 = 18,433,367.20 : x
  2. Step 2: Convert to fraction form
    45,340,400.80/68,010,601.20 = 18,433,367.20/x
  3. Step 3: Cross multiply
    45,340,400.80x = 68,010,601.20 × 18,433,367.20
  4. Step 4: Simplify right side
    45,340,400.80x = 1,253,664,385,412,360.75
  5. Step 5: Solve for x
    x = 1,253,664,385,412,360.75/45,340,400.80
  6. Step 6: Final answer
    x = 27,650,050.80

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1.5x scale

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.