Home / 54,269,900.20-81,381,230.70-17,864,223.40

Finding the Fourth Proportional to 54,269,900.20, 81,381,230.70 and 17,864,223.40

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Solution

The fourth proportional to 54,269,900.20, 81,381,230.70 and 17,864,223.40 is: 26,788,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,269,900.20 : 81,381,230.70 = 17,864,223.40 : x
  2. Step 2: Convert to fraction form
    54,269,900.20/81,381,230.70 = 17,864,223.40/x
  3. Step 3: Cross multiply
    54,269,900.20x = 81,381,230.70 × 17,864,223.40
  4. Step 4: Simplify right side
    54,269,900.20x = 1,453,812,485,791,738.25
  5. Step 5: Solve for x
    x = 1,453,812,485,791,738.25/54,269,900.20
  6. Step 6: Final answer
    x = 26,788,560.15

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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.