Home / 258,168,282-356,272,237.44-142,274,778

Finding the Fourth Proportional to 258,168,282, 356,272,237.44 and 142,274,778

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Solution

The fourth proportional to 258,168,282, 356,272,237.44 and 142,274,778 is: 196,339,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,168,282 : 356,272,237.44 = 142,274,778 : x
  2. Step 2: Convert to fraction form
    258,168,282/356,272,237.44 = 142,274,778/x
  3. Step 3: Cross multiply
    258,168,282x = 356,272,237.44 × 142,274,778
  4. Step 4: Simplify right side
    258,168,282x = 50,688,553,489,339,288
  5. Step 5: Solve for x
    x = 50,688,553,489,339,288/258,168,282
  6. Step 6: Final answer
    x = 196,339,198.20

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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.