Home / 65,511,212.77-90,404,850.16-36,142,782.56

Finding the Fourth Proportional to 65,511,212.77, 90,404,850.16 and 36,142,782.56

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Solution

The fourth proportional to 65,511,212.77, 90,404,850.16 and 36,142,782.56 is: 49,876,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511,212.77 : 90,404,850.16 = 36,142,782.56 : x
  2. Step 2: Convert to fraction form
    65,511,212.77/90,404,850.16 = 36,142,782.56/x
  3. Step 3: Cross multiply
    65,511,212.77x = 90,404,850.16 × 36,142,782.56
  4. Step 4: Simplify right side
    65,511,212.77x = 3,267,482,841,069,523
  5. Step 5: Solve for x
    x = 3,267,482,841,069,523/65,511,212.77
  6. Step 6: Final answer
    x = 49,876,695.96

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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.