Home / 65,810,687.44-90,817,632.02-36,441,389.43

Finding the Fourth Proportional to 65,810,687.44, 90,817,632.02 and 36,441,389.43

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Solution

The fourth proportional to 65,810,687.44, 90,817,632.02 and 36,441,389.43 is: 50,288,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810,687.44 : 90,817,632.02 = 36,441,389.43 : x
  2. Step 2: Convert to fraction form
    65,810,687.44/90,817,632.02 = 36,441,389.43/x
  3. Step 3: Cross multiply
    65,810,687.44x = 90,817,632.02 × 36,441,389.43
  4. Step 4: Simplify right side
    65,810,687.44x = 3,309,520,695,557,019.50
  5. Step 5: Solve for x
    x = 3,309,520,695,557,019.50/65,810,687.44
  6. Step 6: Final answer
    x = 50,288,499.09

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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.