Home / 51,637,084.56-77,481,754.20-20,938,836.24

Finding the Fourth Proportional to 51,637,084.56, 77,481,754.20 and 20,938,836.24

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Solution

The fourth proportional to 51,637,084.56, 77,481,754.20 and 20,938,836.24 is: 31,418,849.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637,084.56 : 77,481,754.20 = 20,938,836.24 : x
  2. Step 2: Convert to fraction form
    51,637,084.56/77,481,754.20 = 20,938,836.24/x
  3. Step 3: Cross multiply
    51,637,084.56x = 77,481,754.20 × 20,938,836.24
  4. Step 4: Simplify right side
    51,637,084.56x = 1,622,377,762,781,732.25
  5. Step 5: Solve for x
    x = 1,622,377,762,781,732.25/51,637,084.56
  6. Step 6: Final answer
    x = 31,418,849.00

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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.