Home / 260,091,758.40-390,137,637.60-106,847,793.60

Finding the Fourth Proportional to 260,091,758.40, 390,137,637.60 and 106,847,793.60

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Solution

The fourth proportional to 260,091,758.40, 390,137,637.60 and 106,847,793.60 is: 160,271,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,091,758.40 : 390,137,637.60 = 106,847,793.60 : x
  2. Step 2: Convert to fraction form
    260,091,758.40/390,137,637.60 = 106,847,793.60/x
  3. Step 3: Cross multiply
    260,091,758.40x = 390,137,637.60 × 106,847,793.60
  4. Step 4: Simplify right side
    260,091,758.40x = 41,685,345,777,876,400
  5. Step 5: Solve for x
    x = 41,685,345,777,876,400/260,091,758.40
  6. Step 6: Final answer
    x = 160,271,690.40

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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.