Home / 51,086,351.40-76,629,527.10-45,543,618.60

Finding the Fourth Proportional to 51,086,351.40, 76,629,527.10 and 45,543,618.60

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Solution

The fourth proportional to 51,086,351.40, 76,629,527.10 and 45,543,618.60 is: 68,315,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,086,351.40 : 76,629,527.10 = 45,543,618.60 : x
  2. Step 2: Convert to fraction form
    51,086,351.40/76,629,527.10 = 45,543,618.60/x
  3. Step 3: Cross multiply
    51,086,351.40x = 76,629,527.10 × 45,543,618.60
  4. Step 4: Simplify right side
    51,086,351.40x = 3,489,985,955,740,764
  5. Step 5: Solve for x
    x = 3,489,985,955,740,764/51,086,351.40
  6. Step 6: Final answer
    x = 68,315,427.90

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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.