Home / 48,388,445.80-72,595,499.10-21,083,021.80

Finding the Fourth Proportional to 48,388,445.80, 72,595,499.10 and 21,083,021.80

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Solution

The fourth proportional to 48,388,445.80, 72,595,499.10 and 21,083,021.80 is: 31,630,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,388,445.80 : 72,595,499.10 = 21,083,021.80 : x
  2. Step 2: Convert to fraction form
    48,388,445.80/72,595,499.10 = 21,083,021.80/x
  3. Step 3: Cross multiply
    48,388,445.80x = 72,595,499.10 × 21,083,021.80
  4. Step 4: Simplify right side
    48,388,445.80x = 1,530,532,490,107,180.25
  5. Step 5: Solve for x
    x = 1,530,532,490,107,180.25/48,388,445.80
  6. Step 6: Final answer
    x = 31,630,122.95

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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.