Home / 354,536,539.80-531,876,557.04-124,523,560.56

Finding the Fourth Proportional to 354,536,539.80, 531,876,557.04 and 124,523,560.56

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Solution

The fourth proportional to 354,536,539.80, 531,876,557.04 and 124,523,560.56 is: 186,810,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,536,539.80 : 531,876,557.04 = 124,523,560.56 : x
  2. Step 2: Convert to fraction form
    354,536,539.80/531,876,557.04 = 124,523,560.56/x
  3. Step 3: Cross multiply
    354,536,539.80x = 531,876,557.04 × 124,523,560.56
  4. Step 4: Simplify right side
    354,536,539.80x = 66,231,162,661,014,736
  5. Step 5: Solve for x
    x = 66,231,162,661,014,736/354,536,539.80
  6. Step 6: Final answer
    x = 186,810,540.60

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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.