Home / 189,378,409.90-261,522,695.37-179,061,217.96

Finding the Fourth Proportional to 189,378,409.90, 261,522,695.37 and 179,061,217.96

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Solution

The fourth proportional to 189,378,409.90, 261,522,695.37 and 179,061,217.96 is: 247,275,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,378,409.90 : 261,522,695.37 = 179,061,217.96 : x
  2. Step 2: Convert to fraction form
    189,378,409.90/261,522,695.37 = 179,061,217.96/x
  3. Step 3: Cross multiply
    189,378,409.90x = 261,522,695.37 × 179,061,217.96
  4. Step 4: Simplify right side
    189,378,409.90x = 46,828,572,357,134,256
  5. Step 5: Solve for x
    x = 46,828,572,357,134,256/189,378,409.90
  6. Step 6: Final answer
    x = 247,275,137.55

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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.