Home / 259,040,559.60-388,560,839.40-105,602,972.40

Finding the Fourth Proportional to 259,040,559.60, 388,560,839.40 and 105,602,972.40

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Solution

The fourth proportional to 259,040,559.60, 388,560,839.40 and 105,602,972.40 is: 158,404,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,040,559.60 : 388,560,839.40 = 105,602,972.40 : x
  2. Step 2: Convert to fraction form
    259,040,559.60/388,560,839.40 = 105,602,972.40/x
  3. Step 3: Cross multiply
    259,040,559.60x = 388,560,839.40 × 105,602,972.40
  4. Step 4: Simplify right side
    259,040,559.60x = 41,033,179,598,879,032
  5. Step 5: Solve for x
    x = 41,033,179,598,879,032/259,040,559.60
  6. Step 6: Final answer
    x = 158,404,458.60

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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.