Home / 67,038,457.68-100,539,334.20-18,504,709.20

Finding the Fourth Proportional to 67,038,457.68, 100,539,334.20 and 18,504,709.20

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Solution

The fourth proportional to 67,038,457.68, 100,539,334.20 and 18,504,709.20 is: 27,751,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,038,457.68 : 100,539,334.20 = 18,504,709.20 : x
  2. Step 2: Convert to fraction form
    67,038,457.68/100,539,334.20 = 18,504,709.20/x
  3. Step 3: Cross multiply
    67,038,457.68x = 100,539,334.20 × 18,504,709.20
  4. Step 4: Simplify right side
    67,038,457.68x = 1,860,451,142,532,614.50
  5. Step 5: Solve for x
    x = 1,860,451,142,532,614.50/67,038,457.68
  6. Step 6: Final answer
    x = 27,751,997.99

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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.