Home / 66,307,410.75-90,841,476.77-63,822,226.97

Finding the Fourth Proportional to 66,307,410.75, 90,841,476.77 and 63,822,226.97

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Solution

The fourth proportional to 66,307,410.75, 90,841,476.77 and 63,822,226.97 is: 87,436,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,307,410.75 : 90,841,476.77 = 63,822,226.97 : x
  2. Step 2: Convert to fraction form
    66,307,410.75/90,841,476.77 = 63,822,226.97/x
  3. Step 3: Cross multiply
    66,307,410.75x = 90,841,476.77 × 63,822,226.97
  4. Step 4: Simplify right side
    66,307,410.75x = 5,797,705,348,704,922
  5. Step 5: Solve for x
    x = 5,797,705,348,704,922/66,307,410.75
  6. Step 6: Final answer
    x = 87,436,762.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.