Home / 168,978,816,915.80-253,468,225,373.70-141,704,414,490.20

Finding the Fourth Proportional to 168,978,816,915.80, 253,468,225,373.70 and 141,704,414,490.20

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Solution

The fourth proportional to 168,978,816,915.80, 253,468,225,373.70 and 141,704,414,490.20 is: 212,556,621,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,978,816,915.80 : 253,468,225,373.70 = 141,704,414,490.20 : x
  2. Step 2: Convert to fraction form
    168,978,816,915.80/253,468,225,373.70 = 141,704,414,490.20/x
  3. Step 3: Cross multiply
    168,978,816,915.80x = 253,468,225,373.70 × 141,704,414,490.20
  4. Step 4: Simplify right side
    168,978,816,915.80x = 35,917,566,468,450,217,361,408
  5. Step 5: Solve for x
    x = 35,917,566,468,450,217,361,408/168,978,816,915.80
  6. Step 6: Final answer
    x = 212,556,621,735.30

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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.