Home / 258,168,611.50-356,272,691.16-142,275,107.50

Finding the Fourth Proportional to 258,168,611.50, 356,272,691.16 and 142,275,107.50

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Solution

The fourth proportional to 258,168,611.50, 356,272,691.16 and 142,275,107.50 is: 196,339,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,168,611.50 : 356,272,691.16 = 142,275,107.50 : x
  2. Step 2: Convert to fraction form
    258,168,611.50/356,272,691.16 = 142,275,107.50/x
  3. Step 3: Cross multiply
    258,168,611.50x = 356,272,691.16 × 142,275,107.50
  4. Step 4: Simplify right side
    258,168,611.50x = 50,688,735,434,103,304
  5. Step 5: Solve for x
    x = 50,688,735,434,103,304/258,168,611.50
  6. Step 6: Final answer
    x = 196,339,652.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.