Home / 259,306,827.88-388,960,906.14-105,952,884.32

Finding the Fourth Proportional to 259,306,827.88, 388,960,906.14 and 105,952,884.32

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Solution

The fourth proportional to 259,306,827.88, 388,960,906.14 and 105,952,884.32 is: 158,929,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,306,827.88 : 388,960,906.14 = 105,952,884.32 : x
  2. Step 2: Convert to fraction form
    259,306,827.88/388,960,906.14 = 105,952,884.32/x
  3. Step 3: Cross multiply
    259,306,827.88x = 388,960,906.14 × 105,952,884.32
  4. Step 4: Simplify right side
    259,306,827.88x = 41,211,529,893,253,792
  5. Step 5: Solve for x
    x = 41,211,529,893,253,792/259,306,827.88
  6. Step 6: Final answer
    x = 158,929,597.92

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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.