Home / 65,787,456.80-90,787,765.20-36,017,608.16

Finding the Fourth Proportional to 65,787,456.80, 90,787,765.20 and 36,017,608.16

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Solution

The fourth proportional to 65,787,456.80, 90,787,765.20 and 36,017,608.16 is: 49,704,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,787,456.80 : 90,787,765.20 = 36,017,608.16 : x
  2. Step 2: Convert to fraction form
    65,787,456.80/90,787,765.20 = 36,017,608.16/x
  3. Step 3: Cross multiply
    65,787,456.80x = 90,787,765.20 × 36,017,608.16
  4. Step 4: Simplify right side
    65,787,456.80x = 3,269,958,152,695,684
  5. Step 5: Solve for x
    x = 3,269,958,152,695,684/65,787,456.80
  6. Step 6: Final answer
    x = 49,704,887.71

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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.