Home / 51,794,611.20-77,723,020.80-21,499,315.20

Finding the Fourth Proportional to 51,794,611.20, 77,723,020.80 and 21,499,315.20

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Solution

The fourth proportional to 51,794,611.20, 77,723,020.80 and 21,499,315.20 is: 32,261,883.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,794,611.20 : 77,723,020.80 = 21,499,315.20 : x
  2. Step 2: Convert to fraction form
    51,794,611.20/77,723,020.80 = 21,499,315.20/x
  3. Step 3: Cross multiply
    51,794,611.20x = 77,723,020.80 × 21,499,315.20
  4. Step 4: Simplify right side
    51,794,611.20x = 1,670,991,722,475,356
  5. Step 5: Solve for x
    x = 1,670,991,722,475,356/51,794,611.20
  6. Step 6: Final answer
    x = 32,261,883.69

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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.