Home / 216,161,175.07-324,275,354.92-72,587,599.39

Finding the Fourth Proportional to 216,161,175.07, 324,275,354.92 and 72,587,599.39

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Solution

The fourth proportional to 216,161,175.07, 324,275,354.92 and 72,587,599.39 is: 108,892,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,161,175.07 : 324,275,354.92 = 72,587,599.39 : x
  2. Step 2: Convert to fraction form
    216,161,175.07/324,275,354.92 = 72,587,599.39/x
  3. Step 3: Cross multiply
    216,161,175.07x = 324,275,354.92 × 72,587,599.39
  4. Step 4: Simplify right side
    216,161,175.07x = 23,538,369,552,998,716
  5. Step 5: Solve for x
    x = 23,538,369,552,998,716/216,161,175.07
  6. Step 6: Final answer
    x = 108,892,679.48

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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.