Home / 258,893,800.80-388,340,701.20-236,722,869.60

Finding the Fourth Proportional to 258,893,800.80, 388,340,701.20 and 236,722,869.60

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Solution

The fourth proportional to 258,893,800.80, 388,340,701.20 and 236,722,869.60 is: 355,084,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,893,800.80 : 388,340,701.20 = 236,722,869.60 : x
  2. Step 2: Convert to fraction form
    258,893,800.80/388,340,701.20 = 236,722,869.60/x
  3. Step 3: Cross multiply
    258,893,800.80x = 388,340,701.20 × 236,722,869.60
  4. Step 4: Simplify right side
    258,893,800.80x = 91,929,125,170,540,160
  5. Step 5: Solve for x
    x = 91,929,125,170,540,160/258,893,800.80
  6. Step 6: Final answer
    x = 355,084,304.40

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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.