Home / 120,036,267.76-165,647,890.21-67,824,182.43

Finding the Fourth Proportional to 120,036,267.76, 165,647,890.21 and 67,824,182.43

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Solution

The fourth proportional to 120,036,267.76, 165,647,890.21 and 67,824,182.43 is: 93,596,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,036,267.76 : 165,647,890.21 = 67,824,182.43 : x
  2. Step 2: Convert to fraction form
    120,036,267.76/165,647,890.21 = 67,824,182.43/x
  3. Step 3: Cross multiply
    120,036,267.76x = 165,647,890.21 × 67,824,182.43
  4. Step 4: Simplify right side
    120,036,267.76x = 11,234,932,724,747,652
  5. Step 5: Solve for x
    x = 11,234,932,724,747,652/120,036,267.76
  6. Step 6: Final answer
    x = 93,596,151.68

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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.