Home / 206,622,371.93-285,138,878.46-113,802,879.77

Finding the Fourth Proportional to 206,622,371.93, 285,138,878.46 and 113,802,879.77

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Solution

The fourth proportional to 206,622,371.93, 285,138,878.46 and 113,802,879.77 is: 157,047,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,622,371.93 : 285,138,878.46 = 113,802,879.77 : x
  2. Step 2: Convert to fraction form
    206,622,371.93/285,138,878.46 = 113,802,879.77/x
  3. Step 3: Cross multiply
    206,622,371.93x = 285,138,878.46 × 113,802,879.77
  4. Step 4: Simplify right side
    206,622,371.93x = 32,449,625,503,136,020
  5. Step 5: Solve for x
    x = 32,449,625,503,136,020/206,622,371.93
  6. Step 6: Final answer
    x = 157,047,976.94

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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.