Home / 50,188,081.77-75,285,720.81-21,012,561.36

Finding the Fourth Proportional to 50,188,081.77, 75,285,720.81 and 21,012,561.36

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Solution

The fourth proportional to 50,188,081.77, 75,285,720.81 and 21,012,561.36 is: 31,520,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,188,081.77 : 75,285,720.81 = 21,012,561.36 : x
  2. Step 2: Convert to fraction form
    50,188,081.77/75,285,720.81 = 21,012,561.36/x
  3. Step 3: Cross multiply
    50,188,081.77x = 75,285,720.81 × 21,012,561.36
  4. Step 4: Simplify right side
    50,188,081.77x = 1,581,945,828,051,954
  5. Step 5: Solve for x
    x = 1,581,945,828,051,954/50,188,081.77
  6. Step 6: Final answer
    x = 31,520,348.50

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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.