Home / 189,158,868.27-261,039,350.16-105,526,999.26

Finding the Fourth Proportional to 189,158,868.27, 261,039,350.16 and 105,526,999.26

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Solution

The fourth proportional to 189,158,868.27, 261,039,350.16 and 105,526,999.26 is: 145,627,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,158,868.27 : 261,039,350.16 = 105,526,999.26 : x
  2. Step 2: Convert to fraction form
    189,158,868.27/261,039,350.16 = 105,526,999.26/x
  3. Step 3: Cross multiply
    189,158,868.27x = 261,039,350.16 × 105,526,999.26
  4. Step 4: Simplify right side
    189,158,868.27x = 27,546,699,311,165,200
  5. Step 5: Solve for x
    x = 27,546,699,311,165,200/189,158,868.27
  6. Step 6: Final answer
    x = 145,627,321.43

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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.