Home / 68,678,438.60-102,907,433.10-36,288,093.80

Finding the Fourth Proportional to 68,678,438.60, 102,907,433.10 and 36,288,093.80

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Solution

The fourth proportional to 68,678,438.60, 102,907,433.10 and 36,288,093.80 is: 54,373,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,678,438.60 : 102,907,433.10 = 36,288,093.80 : x
  2. Step 2: Convert to fraction form
    68,678,438.60/102,907,433.10 = 36,288,093.80/x
  3. Step 3: Cross multiply
    68,678,438.60x = 102,907,433.10 × 36,288,093.80
  4. Step 4: Simplify right side
    68,678,438.60x = 3,734,314,585,050,024.50
  5. Step 5: Solve for x
    x = 3,734,314,585,050,024.50/68,678,438.60
  6. Step 6: Final answer
    x = 54,373,900.47

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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.