Home / 55,317,704.40-82,976,556.60-19,415,912.40

Finding the Fourth Proportional to 55,317,704.40, 82,976,556.60 and 19,415,912.40

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Solution

The fourth proportional to 55,317,704.40, 82,976,556.60 and 19,415,912.40 is: 29,123,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,317,704.40 : 82,976,556.60 = 19,415,912.40 : x
  2. Step 2: Convert to fraction form
    55,317,704.40/82,976,556.60 = 19,415,912.40/x
  3. Step 3: Cross multiply
    55,317,704.40x = 82,976,556.60 × 19,415,912.40
  4. Step 4: Simplify right side
    55,317,704.40x = 1,611,065,554,199,241.50
  5. Step 5: Solve for x
    x = 1,611,065,554,199,241.50/55,317,704.40
  6. Step 6: Final answer
    x = 29,123,868.60

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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.