Home / 137,949,623.76-206,940,444.24-45,841,581.84

Finding the Fourth Proportional to 137,949,623.76, 206,940,444.24 and 45,841,581.84

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Solution

The fourth proportional to 137,949,623.76, 206,940,444.24 and 45,841,581.84 is: 68,767,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,949,623.76 : 206,940,444.24 = 45,841,581.84 : x
  2. Step 2: Convert to fraction form
    137,949,623.76/206,940,444.24 = 45,841,581.84/x
  3. Step 3: Cross multiply
    137,949,623.76x = 206,940,444.24 × 45,841,581.84
  4. Step 4: Simplify right side
    137,949,623.76x = 9,486,477,310,633,918
  5. Step 5: Solve for x
    x = 9,486,477,310,633,918/137,949,623.76
  6. Step 6: Final answer
    x = 68,767,692.52

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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.