Home / 65,786,702.32-90,786,367.62-36,418,525.48

Finding the Fourth Proportional to 65,786,702.32, 90,786,367.62 and 36,418,525.48

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Solution

The fourth proportional to 65,786,702.32, 90,786,367.62 and 36,418,525.48 is: 50,257,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,786,702.32 : 90,786,367.62 = 36,418,525.48 : x
  2. Step 2: Convert to fraction form
    65,786,702.32/90,786,367.62 = 36,418,525.48/x
  3. Step 3: Cross multiply
    65,786,702.32x = 90,786,367.62 × 36,418,525.48
  4. Step 4: Simplify right side
    65,786,702.32x = 3,306,305,642,405,617
  5. Step 5: Solve for x
    x = 3,306,305,642,405,617/65,786,702.32
  6. Step 6: Final answer
    x = 50,257,962.87

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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.