Home / 65,770,627.32-90,757,315.89-39,303,728.82

Finding the Fourth Proportional to 65,770,627.32, 90,757,315.89 and 39,303,728.82

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Solution

The fourth proportional to 65,770,627.32, 90,757,315.89 and 39,303,728.82 is: 54,235,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,770,627.32 : 90,757,315.89 = 39,303,728.82 : x
  2. Step 2: Convert to fraction form
    65,770,627.32/90,757,315.89 = 39,303,728.82/x
  3. Step 3: Cross multiply
    65,770,627.32x = 90,757,315.89 × 39,303,728.82
  4. Step 4: Simplify right side
    65,770,627.32x = 3,567,100,932,171,637
  5. Step 5: Solve for x
    x = 3,567,100,932,171,637/65,770,627.32
  6. Step 6: Final answer
    x = 54,235,470.72

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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.