Home / 259,071,467.20-388,607,200.80-67,595,243.20

Finding the Fourth Proportional to 259,071,467.20, 388,607,200.80 and 67,595,243.20

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Solution

The fourth proportional to 259,071,467.20, 388,607,200.80 and 67,595,243.20 is: 101,392,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,071,467.20 : 388,607,200.80 = 67,595,243.20 : x
  2. Step 2: Convert to fraction form
    259,071,467.20/388,607,200.80 = 67,595,243.20/x
  3. Step 3: Cross multiply
    259,071,467.20x = 388,607,200.80 × 67,595,243.20
  4. Step 4: Simplify right side
    259,071,467.20x = 26,267,998,247,347,236
  5. Step 5: Solve for x
    x = 26,267,998,247,347,236/259,071,467.20
  6. Step 6: Final answer
    x = 101,392,864.80

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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.