Home / 54,270,173.70-81,381,640.95-17,864,496.90

Finding the Fourth Proportional to 54,270,173.70, 81,381,640.95 and 17,864,496.90

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Solution

The fourth proportional to 54,270,173.70, 81,381,640.95 and 17,864,496.90 is: 26,788,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270,173.70 : 81,381,640.95 = 17,864,496.90 : x
  2. Step 2: Convert to fraction form
    54,270,173.70/81,381,640.95 = 17,864,496.90/x
  3. Step 3: Cross multiply
    54,270,173.70x = 81,381,640.95 × 17,864,496.90
  4. Step 4: Simplify right side
    54,270,173.70x = 1,453,842,072,468,188
  5. Step 5: Solve for x
    x = 1,453,842,072,468,188/54,270,173.70
  6. Step 6: Final answer
    x = 26,788,970.32

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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.