Home / 403,753,791.60-605,630,687.40-131,152,114.80

Finding the Fourth Proportional to 403,753,791.60, 605,630,687.40 and 131,152,114.80

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Solution

The fourth proportional to 403,753,791.60, 605,630,687.40 and 131,152,114.80 is: 196,728,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,753,791.60 : 605,630,687.40 = 131,152,114.80 : x
  2. Step 2: Convert to fraction form
    403,753,791.60/605,630,687.40 = 131,152,114.80/x
  3. Step 3: Cross multiply
    403,753,791.60x = 605,630,687.40 × 131,152,114.80
  4. Step 4: Simplify right side
    403,753,791.60x = 79,429,745,440,287,712
  5. Step 5: Solve for x
    x = 79,429,745,440,287,712/403,753,791.60
  6. Step 6: Final answer
    x = 196,728,172.20

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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.