Home / 51,086,350.40-76,629,525.60-45,543,617.60

Finding the Fourth Proportional to 51,086,350.40, 76,629,525.60 and 45,543,617.60

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Solution

The fourth proportional to 51,086,350.40, 76,629,525.60 and 45,543,617.60 is: 68,315,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,086,350.40 : 76,629,525.60 = 45,543,617.60 : x
  2. Step 2: Convert to fraction form
    51,086,350.40/76,629,525.60 = 45,543,617.60/x
  3. Step 3: Cross multiply
    51,086,350.40x = 76,629,525.60 × 45,543,617.60
  4. Step 4: Simplify right side
    51,086,350.40x = 3,489,985,810,795,810.50
  5. Step 5: Solve for x
    x = 3,489,985,810,795,810.50/51,086,350.40
  6. Step 6: Final answer
    x = 68,315,426.40

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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.