Home / 168,497,145.60-252,745,718.40-147,669,907.20

Finding the Fourth Proportional to 168,497,145.60, 252,745,718.40 and 147,669,907.20

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Solution

The fourth proportional to 168,497,145.60, 252,745,718.40 and 147,669,907.20 is: 221,504,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497,145.60 : 252,745,718.40 = 147,669,907.20 : x
  2. Step 2: Convert to fraction form
    168,497,145.60/252,745,718.40 = 147,669,907.20/x
  3. Step 3: Cross multiply
    168,497,145.60x = 252,745,718.40 × 147,669,907.20
  4. Step 4: Simplify right side
    168,497,145.60x = 37,322,936,781,325,328
  5. Step 5: Solve for x
    x = 37,322,936,781,325,328/168,497,145.60
  6. Step 6: Final answer
    x = 221,504,860.80

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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.