Home / 50,872,720.99-76,334,321.10-20,166,651.31

Finding the Fourth Proportional to 50,872,720.99, 76,334,321.10 and 20,166,651.31

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Solution

The fourth proportional to 50,872,720.99, 76,334,321.10 and 20,166,651.31 is: 30,259,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872,720.99 : 76,334,321.10 = 20,166,651.31 : x
  2. Step 2: Convert to fraction form
    50,872,720.99/76,334,321.10 = 20,166,651.31/x
  3. Step 3: Cross multiply
    50,872,720.99x = 76,334,321.10 × 20,166,651.31
  4. Step 4: Simplify right side
    50,872,720.99x = 1,539,407,636,508,442.25
  5. Step 5: Solve for x
    x = 1,539,407,636,508,442.25/50,872,720.99
  6. Step 6: Final answer
    x = 30,259,982.30

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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.