Home / 65,511,215.99-90,404,854.60-36,142,785.77

Finding the Fourth Proportional to 65,511,215.99, 90,404,854.60 and 36,142,785.77

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Solution

The fourth proportional to 65,511,215.99, 90,404,854.60 and 36,142,785.77 is: 49,876,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,511,215.99 : 90,404,854.60 = 36,142,785.77 : x
  2. Step 2: Convert to fraction form
    65,511,215.99/90,404,854.60 = 36,142,785.77/x
  3. Step 3: Cross multiply
    65,511,215.99x = 90,404,854.60 × 36,142,785.77
  4. Step 4: Simplify right side
    65,511,215.99x = 3,267,483,292,375,799
  5. Step 5: Solve for x
    x = 3,267,483,292,375,799/65,511,215.99
  6. Step 6: Final answer
    x = 49,876,700.39

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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.