Home / 262,227,786.60-393,341,679.90-126,178,890.60

Finding the Fourth Proportional to 262,227,786.60, 393,341,679.90 and 126,178,890.60

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Solution

The fourth proportional to 262,227,786.60, 393,341,679.90 and 126,178,890.60 is: 189,268,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,227,786.60 : 393,341,679.90 = 126,178,890.60 : x
  2. Step 2: Convert to fraction form
    262,227,786.60/393,341,679.90 = 126,178,890.60/x
  3. Step 3: Cross multiply
    262,227,786.60x = 393,341,679.90 × 126,178,890.60
  4. Step 4: Simplify right side
    262,227,786.60x = 49,631,416,796,522,312
  5. Step 5: Solve for x
    x = 49,631,416,796,522,312/262,227,786.60
  6. Step 6: Final answer
    x = 189,268,335.90

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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.