Home / 189,583,055.29-261,632,696.12-105,951,183.43

Finding the Fourth Proportional to 189,583,055.29, 261,632,696.12 and 105,951,183.43

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Solution

The fourth proportional to 189,583,055.29, 261,632,696.12 and 105,951,183.43 is: 146,217,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,583,055.29 : 261,632,696.12 = 105,951,183.43 : x
  2. Step 2: Convert to fraction form
    189,583,055.29/261,632,696.12 = 105,951,183.43/x
  3. Step 3: Cross multiply
    189,583,055.29x = 261,632,696.12 × 105,951,183.43
  4. Step 4: Simplify right side
    189,583,055.29x = 27,720,293,778,294,632
  5. Step 5: Solve for x
    x = 27,720,293,778,294,632/189,583,055.29
  6. Step 6: Final answer
    x = 146,217,148.66

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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.