Home / 194,170,372.60-291,255,558.90-117,978,014.20

Finding the Fourth Proportional to 194,170,372.60, 291,255,558.90 and 117,978,014.20

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Solution

The fourth proportional to 194,170,372.60, 291,255,558.90 and 117,978,014.20 is: 176,967,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,170,372.60 : 291,255,558.90 = 117,978,014.20 : x
  2. Step 2: Convert to fraction form
    194,170,372.60/291,255,558.90 = 117,978,014.20/x
  3. Step 3: Cross multiply
    194,170,372.60x = 291,255,558.90 × 117,978,014.20
  4. Step 4: Simplify right side
    194,170,372.60x = 34,361,752,463,733,136
  5. Step 5: Solve for x
    x = 34,361,752,463,733,136/194,170,372.60
  6. Step 6: Final answer
    x = 176,967,021.30

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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.