Home / 71,016,839.68-98,070,923.84-67,147,893.76

Finding the Fourth Proportional to 71,016,839.68, 98,070,923.84 and 67,147,893.76

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Solution

The fourth proportional to 71,016,839.68, 98,070,923.84 and 67,147,893.76 is: 92,728,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016,839.68 : 98,070,923.84 = 67,147,893.76 : x
  2. Step 2: Convert to fraction form
    71,016,839.68/98,070,923.84 = 67,147,893.76/x
  3. Step 3: Cross multiply
    71,016,839.68x = 98,070,923.84 × 67,147,893.76
  4. Step 4: Simplify right side
    71,016,839.68x = 6,585,255,974,953,372
  5. Step 5: Solve for x
    x = 6,585,255,974,953,372/71,016,839.68
  6. Step 6: Final answer
    x = 92,728,091.04

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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.