Home / 260,091,734.40-390,137,601.60-106,847,769.60

Finding the Fourth Proportional to 260,091,734.40, 390,137,601.60 and 106,847,769.60

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Solution

The fourth proportional to 260,091,734.40, 390,137,601.60 and 106,847,769.60 is: 160,271,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,091,734.40 : 390,137,601.60 = 106,847,769.60 : x
  2. Step 2: Convert to fraction form
    260,091,734.40/390,137,601.60 = 106,847,769.60/x
  3. Step 3: Cross multiply
    260,091,734.40x = 390,137,601.60 × 106,847,769.60
  4. Step 4: Simplify right side
    260,091,734.40x = 41,685,332,568,053,392
  5. Step 5: Solve for x
    x = 41,685,332,568,053,392/260,091,734.40
  6. Step 6: Final answer
    x = 160,271,654.40

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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.