Home / 50,613,641.76-75,924,005.98-20,321,504.76

Finding the Fourth Proportional to 50,613,641.76, 75,924,005.98 and 20,321,504.76

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Solution

The fourth proportional to 50,613,641.76, 75,924,005.98 and 20,321,504.76 is: 30,483,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,613,641.76 : 75,924,005.98 = 20,321,504.76 : x
  2. Step 2: Convert to fraction form
    50,613,641.76/75,924,005.98 = 20,321,504.76/x
  3. Step 3: Cross multiply
    50,613,641.76x = 75,924,005.98 × 20,321,504.76
  4. Step 4: Simplify right side
    50,613,641.76x = 1,542,890,048,920,838.75
  5. Step 5: Solve for x
    x = 1,542,890,048,920,838.75/50,613,641.76
  6. Step 6: Final answer
    x = 30,483,679.80

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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.