Home / 51,449,385.35-77,115,371.63-20,724,302.54

Finding the Fourth Proportional to 51,449,385.35, 77,115,371.63 and 20,724,302.54

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Solution

The fourth proportional to 51,449,385.35, 77,115,371.63 and 20,724,302.54 is: 31,062,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,449,385.35 : 77,115,371.63 = 20,724,302.54 : x
  2. Step 2: Convert to fraction form
    51,449,385.35/77,115,371.63 = 20,724,302.54/x
  3. Step 3: Cross multiply
    51,449,385.35x = 77,115,371.63 × 20,724,302.54
  4. Step 4: Simplify right side
    51,449,385.35x = 1,598,162,292,233,820
  5. Step 5: Solve for x
    x = 1,598,162,292,233,820/51,449,385.35
  6. Step 6: Final answer
    x = 31,062,806.32

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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.