Home / 80,093,991.84-120,741,306.36-74,754,958.96

Finding the Fourth Proportional to 80,093,991.84, 120,741,306.36 and 74,754,958.96

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Solution

The fourth proportional to 80,093,991.84, 120,741,306.36 and 74,754,958.96 is: 112,692,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,093,991.84 : 120,741,306.36 = 74,754,958.96 : x
  2. Step 2: Convert to fraction form
    80,093,991.84/120,741,306.36 = 74,754,958.96/x
  3. Step 3: Cross multiply
    80,093,991.84x = 120,741,306.36 × 74,754,958.96
  4. Step 4: Simplify right side
    80,093,991.84x = 9,026,011,401,718,586
  5. Step 5: Solve for x
    x = 9,026,011,401,718,586/80,093,991.84
  6. Step 6: Final answer
    x = 112,692,740.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.