Home / 192,476,383.60-288,714,575.40-90,439,711.60

Finding the Fourth Proportional to 192,476,383.60, 288,714,575.40 and 90,439,711.60

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Solution

The fourth proportional to 192,476,383.60, 288,714,575.40 and 90,439,711.60 is: 135,659,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,476,383.60 : 288,714,575.40 = 90,439,711.60 : x
  2. Step 2: Convert to fraction form
    192,476,383.60/288,714,575.40 = 90,439,711.60/x
  3. Step 3: Cross multiply
    192,476,383.60x = 288,714,575.40 × 90,439,711.60
  4. Step 4: Simplify right side
    192,476,383.60x = 26,111,262,933,892,452
  5. Step 5: Solve for x
    x = 26,111,262,933,892,452/192,476,383.60
  6. Step 6: Final answer
    x = 135,659,567.40

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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.