Home / 65,231,965.62-90,020,170.26-35,863,797.78

Finding the Fourth Proportional to 65,231,965.62, 90,020,170.26 and 35,863,797.78

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Solution

The fourth proportional to 65,231,965.62, 90,020,170.26 and 35,863,797.78 is: 49,492,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,231,965.62 : 90,020,170.26 = 35,863,797.78 : x
  2. Step 2: Convert to fraction form
    65,231,965.62/90,020,170.26 = 35,863,797.78/x
  3. Step 3: Cross multiply
    65,231,965.62x = 90,020,170.26 × 35,863,797.78
  4. Step 4: Simplify right side
    65,231,965.62x = 3,228,465,182,325,810.50
  5. Step 5: Solve for x
    x = 3,228,465,182,325,810.50/65,231,965.62
  6. Step 6: Final answer
    x = 49,492,072.66

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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.