Home / 189,378,128.95-261,522,310.55-179,060,939.44

Finding the Fourth Proportional to 189,378,128.95, 261,522,310.55 and 179,060,939.44

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Solution

The fourth proportional to 189,378,128.95, 261,522,310.55 and 179,060,939.44 is: 247,274,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,378,128.95 : 261,522,310.55 = 179,060,939.44 : x
  2. Step 2: Convert to fraction form
    189,378,128.95/261,522,310.55 = 179,060,939.44/x
  3. Step 3: Cross multiply
    189,378,128.95x = 261,522,310.55 × 179,060,939.44
  4. Step 4: Simplify right side
    189,378,128.95x = 46,828,430,610,707,112
  5. Step 5: Solve for x
    x = 46,828,430,610,707,112/189,378,128.95
  6. Step 6: Final answer
    x = 247,274,755.91

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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.