Home / 120,036,265.76-165,647,887.45-67,824,180.43

Finding the Fourth Proportional to 120,036,265.76, 165,647,887.45 and 67,824,180.43

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Solution

The fourth proportional to 120,036,265.76, 165,647,887.45 and 67,824,180.43 is: 93,596,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,036,265.76 : 165,647,887.45 = 67,824,180.43 : x
  2. Step 2: Convert to fraction form
    120,036,265.76/165,647,887.45 = 67,824,180.43/x
  3. Step 3: Cross multiply
    120,036,265.76x = 165,647,887.45 × 67,824,180.43
  4. Step 4: Simplify right side
    120,036,265.76x = 11,234,932,205,673,450
  5. Step 5: Solve for x
    x = 11,234,932,205,673,450/120,036,265.76
  6. Step 6: Final answer
    x = 93,596,148.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.