Home / 194,170,383.60-291,255,575.40-117,978,025.20

Finding the Fourth Proportional to 194,170,383.60, 291,255,575.40 and 117,978,025.20

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Solution

The fourth proportional to 194,170,383.60, 291,255,575.40 and 117,978,025.20 is: 176,967,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,170,383.60 : 291,255,575.40 = 117,978,025.20 : x
  2. Step 2: Convert to fraction form
    194,170,383.60/291,255,575.40 = 117,978,025.20/x
  3. Step 3: Cross multiply
    194,170,383.60x = 291,255,575.40 × 117,978,025.20
  4. Step 4: Simplify right side
    194,170,383.60x = 34,361,757,614,181,700
  5. Step 5: Solve for x
    x = 34,361,757,614,181,700/194,170,383.60
  6. Step 6: Final answer
    x = 176,967,037.80

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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.