Home / 258,904,233.20-388,095,076.20-129,312,527.60

Finding the Fourth Proportional to 258,904,233.20, 388,095,076.20 and 129,312,527.60

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Solution

The fourth proportional to 258,904,233.20, 388,095,076.20 and 129,312,527.60 is: 193,838,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,904,233.20 : 388,095,076.20 = 129,312,527.60 : x
  2. Step 2: Convert to fraction form
    258,904,233.20/388,095,076.20 = 129,312,527.60/x
  3. Step 3: Cross multiply
    258,904,233.20x = 388,095,076.20 × 129,312,527.60
  4. Step 4: Simplify right side
    258,904,233.20x = 50,185,555,252,536,600
  5. Step 5: Solve for x
    x = 50,185,555,252,536,600/258,904,233.20
  6. Step 6: Final answer
    x = 193,838,295.47

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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.