Home / 85,847,719.20-128,814,170.62-34,031,226.60

Finding the Fourth Proportional to 85,847,719.20, 128,814,170.62 and 34,031,226.60

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Solution

The fourth proportional to 85,847,719.20, 128,814,170.62 and 34,031,226.60 is: 51,063,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,847,719.20 : 128,814,170.62 = 34,031,226.60 : x
  2. Step 2: Convert to fraction form
    85,847,719.20/128,814,170.62 = 34,031,226.60/x
  3. Step 3: Cross multiply
    85,847,719.20x = 128,814,170.62 × 34,031,226.60
  4. Step 4: Simplify right side
    85,847,719.20x = 4,383,704,229,660,283
  5. Step 5: Solve for x
    x = 4,383,704,229,660,283/85,847,719.20
  6. Step 6: Final answer
    x = 51,063,723.89

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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.