Home / 65,570,427.10-90,486,766.47-36,203,589.82

Finding the Fourth Proportional to 65,570,427.10, 90,486,766.47 and 36,203,589.82

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Solution

The fourth proportional to 65,570,427.10, 90,486,766.47 and 36,203,589.82 is: 49,960,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570,427.10 : 90,486,766.47 = 36,203,589.82 : x
  2. Step 2: Convert to fraction form
    65,570,427.10/90,486,766.47 = 36,203,589.82/x
  3. Step 3: Cross multiply
    65,570,427.10x = 90,486,766.47 × 36,203,589.82
  4. Step 4: Simplify right side
    65,570,427.10x = 3,275,945,777,418,009.50
  5. Step 5: Solve for x
    x = 3,275,945,777,418,009.50/65,570,427.10
  6. Step 6: Final answer
    x = 49,960,720.44

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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.