Home / 216,161,175.20-324,275,355.11-72,587,599.52

Finding the Fourth Proportional to 216,161,175.20, 324,275,355.11 and 72,587,599.52

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Solution

The fourth proportional to 216,161,175.20, 324,275,355.11 and 72,587,599.52 is: 108,892,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,161,175.20 : 324,275,355.11 = 72,587,599.52 : x
  2. Step 2: Convert to fraction form
    216,161,175.20/324,275,355.11 = 72,587,599.52/x
  3. Step 3: Cross multiply
    216,161,175.20x = 324,275,355.11 × 72,587,599.52
  4. Step 4: Simplify right side
    216,161,175.20x = 23,538,369,608,946,152
  5. Step 5: Solve for x
    x = 23,538,369,608,946,152/216,161,175.20
  6. Step 6: Final answer
    x = 108,892,679.68

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1.5x scale

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.