Home / 151,726,542.74-209,382,626.42-82,111,923.63

Finding the Fourth Proportional to 151,726,542.74, 209,382,626.42 and 82,111,923.63

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Solution

The fourth proportional to 151,726,542.74, 209,382,626.42 and 82,111,923.63 is: 113,314,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,726,542.74 : 209,382,626.42 = 82,111,923.63 : x
  2. Step 2: Convert to fraction form
    151,726,542.74/209,382,626.42 = 82,111,923.63/x
  3. Step 3: Cross multiply
    151,726,542.74x = 209,382,626.42 × 82,111,923.63
  4. Step 4: Simplify right side
    151,726,542.74x = 17,192,810,229,517,460
  5. Step 5: Solve for x
    x = 17,192,810,229,517,460/151,726,542.74
  6. Step 6: Final answer
    x = 113,314,453.22

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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.