Home / 66,178,805.76-91,325,438.88-36,809,506.08

Finding the Fourth Proportional to 66,178,805.76, 91,325,438.88 and 36,809,506.08

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Solution

The fourth proportional to 66,178,805.76, 91,325,438.88 and 36,809,506.08 is: 50,796,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178,805.76 : 91,325,438.88 = 36,809,506.08 : x
  2. Step 2: Convert to fraction form
    66,178,805.76/91,325,438.88 = 36,809,506.08/x
  3. Step 3: Cross multiply
    66,178,805.76x = 91,325,438.88 × 36,809,506.08
  4. Step 4: Simplify right side
    66,178,805.76x = 3,361,644,297,712,028
  5. Step 5: Solve for x
    x = 3,361,644,297,712,028/66,178,805.76
  6. Step 6: Final answer
    x = 50,796,388.04

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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.