Home / 48,559,493.72-72,891,092.99-20,907,105.36

Finding the Fourth Proportional to 48,559,493.72, 72,891,092.99 and 20,907,105.36

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Solution

The fourth proportional to 48,559,493.72, 72,891,092.99 and 20,907,105.36 is: 31,382,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,559,493.72 : 72,891,092.99 = 20,907,105.36 : x
  2. Step 2: Convert to fraction form
    48,559,493.72/72,891,092.99 = 20,907,105.36/x
  3. Step 3: Cross multiply
    48,559,493.72x = 72,891,092.99 × 20,907,105.36
  4. Step 4: Simplify right side
    48,559,493.72x = 1,523,941,760,842,951.75
  5. Step 5: Solve for x
    x = 1,523,941,760,842,951.75/48,559,493.72
  6. Step 6: Final answer
    x = 31,382,982.90

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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.