Home / 258,168,157-356,272,063.86-142,274,653

Finding the Fourth Proportional to 258,168,157, 356,272,063.86 and 142,274,653

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Solution

The fourth proportional to 258,168,157, 356,272,063.86 and 142,274,653 is: 196,339,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,168,157 : 356,272,063.86 = 142,274,653 : x
  2. Step 2: Convert to fraction form
    258,168,157/356,272,063.86 = 142,274,653/x
  3. Step 3: Cross multiply
    258,168,157x = 356,272,063.86 × 142,274,653
  4. Step 4: Simplify right side
    258,168,157x = 50,688,484,259,275,344
  5. Step 5: Solve for x
    x = 50,688,484,259,275,344/258,168,157
  6. Step 6: Final answer
    x = 196,339,025.11

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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.