Home / 268,779,986.20-403,244,628.90-115,499,474.20

Finding the Fourth Proportional to 268,779,986.20, 403,244,628.90 and 115,499,474.20

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Solution

The fourth proportional to 268,779,986.20, 403,244,628.90 and 115,499,474.20 is: 173,281,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779,986.20 : 403,244,628.90 = 115,499,474.20 : x
  2. Step 2: Convert to fraction form
    268,779,986.20/403,244,628.90 = 115,499,474.20/x
  3. Step 3: Cross multiply
    268,779,986.20x = 403,244,628.90 × 115,499,474.20
  4. Step 4: Simplify right side
    268,779,986.20x = 46,574,542,611,924,120
  5. Step 5: Solve for x
    x = 46,574,542,611,924,120/268,779,986.20
  6. Step 6: Final answer
    x = 173,281,289.54

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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.