Home / 109,450,766.40-164,067,861.60-51,841,780.80

Finding the Fourth Proportional to 109,450,766.40, 164,067,861.60 and 51,841,780.80

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Solution

The fourth proportional to 109,450,766.40, 164,067,861.60 and 51,841,780.80 is: 77,711,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,450,766.40 : 164,067,861.60 = 51,841,780.80 : x
  2. Step 2: Convert to fraction form
    109,450,766.40/164,067,861.60 = 51,841,780.80/x
  3. Step 3: Cross multiply
    109,450,766.40x = 164,067,861.60 × 51,841,780.80
  4. Step 4: Simplify right side
    109,450,766.40x = 8,505,570,117,391,936
  5. Step 5: Solve for x
    x = 8,505,570,117,391,936/109,450,766.40
  6. Step 6: Final answer
    x = 77,711,380.17

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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.