Home / 145,824,154.20-218,736,231.30-143,556,672.60

Finding the Fourth Proportional to 145,824,154.20, 218,736,231.30 and 143,556,672.60

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Solution

The fourth proportional to 145,824,154.20, 218,736,231.30 and 143,556,672.60 is: 215,335,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,824,154.20 : 218,736,231.30 = 143,556,672.60 : x
  2. Step 2: Convert to fraction form
    145,824,154.20/218,736,231.30 = 143,556,672.60/x
  3. Step 3: Cross multiply
    145,824,154.20x = 218,736,231.30 × 143,556,672.60
  4. Step 4: Simplify right side
    145,824,154.20x = 31,401,045,542,491,972
  5. Step 5: Solve for x
    x = 31,401,045,542,491,972/145,824,154.20
  6. Step 6: Final answer
    x = 215,335,008.90

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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.