Home / 66,278,746.85-91,463,933.09-36,909,436.37

Finding the Fourth Proportional to 66,278,746.85, 91,463,933.09 and 36,909,436.37

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Solution

The fourth proportional to 66,278,746.85, 91,463,933.09 and 36,909,436.37 is: 50,934,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278,746.85 : 91,463,933.09 = 36,909,436.37 : x
  2. Step 2: Convert to fraction form
    66,278,746.85/91,463,933.09 = 36,909,436.37/x
  3. Step 3: Cross multiply
    66,278,746.85x = 91,463,933.09 × 36,909,436.37
  4. Step 4: Simplify right side
    66,278,746.85x = 3,375,882,218,170,246.50
  5. Step 5: Solve for x
    x = 3,375,882,218,170,246.50/66,278,746.85
  6. Step 6: Final answer
    x = 50,934,611.45

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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.