Home / 236,917,808.40-355,586,664.60-139,752,022.80

Finding the Fourth Proportional to 236,917,808.40, 355,586,664.60 and 139,752,022.80

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Solution

The fourth proportional to 236,917,808.40, 355,586,664.60 and 139,752,022.80 is: 209,751,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,917,808.40 : 355,586,664.60 = 139,752,022.80 : x
  2. Step 2: Convert to fraction form
    236,917,808.40/355,586,664.60 = 139,752,022.80/x
  3. Step 3: Cross multiply
    236,917,808.40x = 355,586,664.60 × 139,752,022.80
  4. Step 4: Simplify right side
    236,917,808.40x = 49,693,955,658,555,160
  5. Step 5: Solve for x
    x = 49,693,955,658,555,160/236,917,808.40
  6. Step 6: Final answer
    x = 209,751,879.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.