Home / 169,290,211.41-233,622,912.69-126,828,534.78

Finding the Fourth Proportional to 169,290,211.41, 233,622,912.69 and 126,828,534.78

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Solution

The fourth proportional to 169,290,211.41, 233,622,912.69 and 126,828,534.78 is: 175,025,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,290,211.41 : 233,622,912.69 = 126,828,534.78 : x
  2. Step 2: Convert to fraction form
    169,290,211.41/233,622,912.69 = 126,828,534.78/x
  3. Step 3: Cross multiply
    169,290,211.41x = 233,622,912.69 × 126,828,534.78
  4. Step 4: Simplify right side
    169,290,211.41x = 29,630,051,707,508,568
  5. Step 5: Solve for x
    x = 29,630,051,707,508,568/169,290,211.41
  6. Step 6: Final answer
    x = 175,025,191.72

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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.