Home / 259,852,761.48-389,840,257.80-75,624,211.56

Finding the Fourth Proportional to 259,852,761.48, 389,840,257.80 and 75,624,211.56

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Solution

The fourth proportional to 259,852,761.48, 389,840,257.80 and 75,624,211.56 is: 113,454,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,852,761.48 : 389,840,257.80 = 75,624,211.56 : x
  2. Step 2: Convert to fraction form
    259,852,761.48/389,840,257.80 = 75,624,211.56/x
  3. Step 3: Cross multiply
    259,852,761.48x = 389,840,257.80 × 75,624,211.56
  4. Step 4: Simplify right side
    259,852,761.48x = 29,481,362,130,472,140
  5. Step 5: Solve for x
    x = 29,481,362,130,472,140/259,852,761.48
  6. Step 6: Final answer
    x = 113,454,103.63

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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.