Home / 168,432,010.80-252,648,016.20-148,662,405.60

Finding the Fourth Proportional to 168,432,010.80, 252,648,016.20 and 148,662,405.60

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Solution

The fourth proportional to 168,432,010.80, 252,648,016.20 and 148,662,405.60 is: 222,993,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,432,010.80 : 252,648,016.20 = 148,662,405.60 : x
  2. Step 2: Convert to fraction form
    168,432,010.80/252,648,016.20 = 148,662,405.60/x
  3. Step 3: Cross multiply
    168,432,010.80x = 252,648,016.20 × 148,662,405.60
  4. Step 4: Simplify right side
    168,432,010.80x = 37,559,261,858,359,768
  5. Step 5: Solve for x
    x = 37,559,261,858,359,768/168,432,010.80
  6. Step 6: Final answer
    x = 222,993,608.40

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1.5x scale

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.