Home / 189,377,876.45-261,521,962.94-179,060,687.55

Finding the Fourth Proportional to 189,377,876.45, 261,521,962.94 and 179,060,687.55

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Solution

The fourth proportional to 189,377,876.45, 261,521,962.94 and 179,060,687.55 is: 247,274,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,377,876.45 : 261,521,962.94 = 179,060,687.55 : x
  2. Step 2: Convert to fraction form
    189,377,876.45/261,521,962.94 = 179,060,687.55/x
  3. Step 3: Cross multiply
    189,377,876.45x = 261,521,962.94 × 179,060,687.55
  4. Step 4: Simplify right side
    189,377,876.45x = 46,828,302,493,909,672
  5. Step 5: Solve for x
    x = 46,828,302,493,909,672/189,377,876.45
  6. Step 6: Final answer
    x = 247,274,409.09

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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.