Home / 65,691,437.40-90,650,288.52-36,320,464.80

Finding the Fourth Proportional to 65,691,437.40, 90,650,288.52 and 36,320,464.80

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Solution

The fourth proportional to 65,691,437.40, 90,650,288.52 and 36,320,464.80 is: 50,120,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,691,437.40 : 90,650,288.52 = 36,320,464.80 : x
  2. Step 2: Convert to fraction form
    65,691,437.40/90,650,288.52 = 36,320,464.80/x
  3. Step 3: Cross multiply
    65,691,437.40x = 90,650,288.52 × 36,320,464.80
  4. Step 4: Simplify right side
    65,691,437.40x = 3,292,460,613,300,503.50
  5. Step 5: Solve for x
    x = 3,292,460,613,300,503.50/65,691,437.40
  6. Step 6: Final answer
    x = 50,120,087.85

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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.