Home / 85,473,451.62-117,907,874.69-51,993,166.77

Finding the Fourth Proportional to 85,473,451.62, 117,907,874.69 and 51,993,166.77

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Solution

The fourth proportional to 85,473,451.62, 117,907,874.69 and 51,993,166.77 is: 71,722,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,473,451.62 : 117,907,874.69 = 51,993,166.77 : x
  2. Step 2: Convert to fraction form
    85,473,451.62/117,907,874.69 = 51,993,166.77/x
  3. Step 3: Cross multiply
    85,473,451.62x = 117,907,874.69 × 51,993,166.77
  4. Step 4: Simplify right side
    85,473,451.62x = 6,130,403,791,993,467
  5. Step 5: Solve for x
    x = 6,130,403,791,993,467/85,473,451.62
  6. Step 6: Final answer
    x = 71,722,899.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.