Home / 198,707,018.76-274,168,778.58-167,037,594.59

Finding the Fourth Proportional to 198,707,018.76, 274,168,778.58 and 167,037,594.59

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Solution

The fourth proportional to 198,707,018.76, 274,168,778.58 and 167,037,594.59 is: 230,472,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,707,018.76 : 274,168,778.58 = 167,037,594.59 : x
  2. Step 2: Convert to fraction form
    198,707,018.76/274,168,778.58 = 167,037,594.59/x
  3. Step 3: Cross multiply
    198,707,018.76x = 274,168,778.58 × 167,037,594.59
  4. Step 4: Simplify right side
    198,707,018.76x = 45,796,493,286,366,936
  5. Step 5: Solve for x
    x = 45,796,493,286,366,936/198,707,018.76
  6. Step 6: Final answer
    x = 230,472,449.20

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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.