Home / 259,306,820.14-388,960,894.52-105,952,876.58

Finding the Fourth Proportional to 259,306,820.14, 388,960,894.52 and 105,952,876.58

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Solution

The fourth proportional to 259,306,820.14, 388,960,894.52 and 105,952,876.58 is: 158,929,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,306,820.14 : 388,960,894.52 = 105,952,876.58 : x
  2. Step 2: Convert to fraction form
    259,306,820.14/388,960,894.52 = 105,952,876.58/x
  3. Step 3: Cross multiply
    259,306,820.14x = 388,960,894.52 × 105,952,876.58
  4. Step 4: Simplify right side
    259,306,820.14x = 41,211,525,651,523,952
  5. Step 5: Solve for x
    x = 41,211,525,651,523,952/259,306,820.14
  6. Step 6: Final answer
    x = 158,929,586.31

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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.