Home / 319,002,548.60-478,503,822.90-76,665,452.60

Finding the Fourth Proportional to 319,002,548.60, 478,503,822.90 and 76,665,452.60

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Solution

The fourth proportional to 319,002,548.60, 478,503,822.90 and 76,665,452.60 is: 114,998,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,002,548.60 : 478,503,822.90 = 76,665,452.60 : x
  2. Step 2: Convert to fraction form
    319,002,548.60/478,503,822.90 = 76,665,452.60/x
  3. Step 3: Cross multiply
    319,002,548.60x = 478,503,822.90 × 76,665,452.60
  4. Step 4: Simplify right side
    319,002,548.60x = 36,684,712,153,458,736
  5. Step 5: Solve for x
    x = 36,684,712,153,458,736/319,002,548.60
  6. Step 6: Final answer
    x = 114,998,178.90

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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.