Home / 419,906,955.60-629,860,433.40-113,230,069.20

Finding the Fourth Proportional to 419,906,955.60, 629,860,433.40 and 113,230,069.20

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Solution

The fourth proportional to 419,906,955.60, 629,860,433.40 and 113,230,069.20 is: 169,845,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,955.60 : 629,860,433.40 = 113,230,069.20 : x
  2. Step 2: Convert to fraction form
    419,906,955.60/629,860,433.40 = 113,230,069.20/x
  3. Step 3: Cross multiply
    419,906,955.60x = 629,860,433.40 × 113,230,069.20
  4. Step 4: Simplify right side
    419,906,955.60x = 71,319,140,460,223,992
  5. Step 5: Solve for x
    x = 71,319,140,460,223,992/419,906,955.60
  6. Step 6: Final answer
    x = 169,845,103.80

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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.