Home / 49,325,029.20-73,987,543.80-20,561,605.20

Finding the Fourth Proportional to 49,325,029.20, 73,987,543.80 and 20,561,605.20

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Solution

The fourth proportional to 49,325,029.20, 73,987,543.80 and 20,561,605.20 is: 30,842,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,325,029.20 : 73,987,543.80 = 20,561,605.20 : x
  2. Step 2: Convert to fraction form
    49,325,029.20/73,987,543.80 = 20,561,605.20/x
  3. Step 3: Cross multiply
    49,325,029.20x = 73,987,543.80 × 20,561,605.20
  4. Step 4: Simplify right side
    49,325,029.20x = 1,521,302,665,333,307.75
  5. Step 5: Solve for x
    x = 1,521,302,665,333,307.75/49,325,029.20
  6. Step 6: Final answer
    x = 30,842,407.80

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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.