Home / 236,382,575.40-354,627,007.20-139,288,304.70

Finding the Fourth Proportional to 236,382,575.40, 354,627,007.20 and 139,288,304.70

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Solution

The fourth proportional to 236,382,575.40, 354,627,007.20 and 139,288,304.70 is: 208,963,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,382,575.40 : 354,627,007.20 = 139,288,304.70 : x
  2. Step 2: Convert to fraction form
    236,382,575.40/354,627,007.20 = 139,288,304.70/x
  3. Step 3: Cross multiply
    236,382,575.40x = 354,627,007.20 × 139,288,304.70
  4. Step 4: Simplify right side
    236,382,575.40x = 49,395,394,633,722,688
  5. Step 5: Solve for x
    x = 49,395,394,633,722,688/236,382,575.40
  6. Step 6: Final answer
    x = 208,963,772.18

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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.