Home / 51,509,900.20-77,264,850.30-15,603,442.60

Finding the Fourth Proportional to 51,509,900.20, 77,264,850.30 and 15,603,442.60

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Solution

The fourth proportional to 51,509,900.20, 77,264,850.30 and 15,603,442.60 is: 23,405,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,509,900.20 : 77,264,850.30 = 15,603,442.60 : x
  2. Step 2: Convert to fraction form
    51,509,900.20/77,264,850.30 = 15,603,442.60/x
  3. Step 3: Cross multiply
    51,509,900.20x = 77,264,850.30 × 15,603,442.60
  4. Step 4: Simplify right side
    51,509,900.20x = 1,205,597,656,653,642.75
  5. Step 5: Solve for x
    x = 1,205,597,656,653,642.75/51,509,900.20
  6. Step 6: Final answer
    x = 23,405,163.90

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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.