Home / 99,491,789.62-137,297,274.04-55,440,645.13

Finding the Fourth Proportional to 99,491,789.62, 137,297,274.04 and 55,440,645.13

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Solution

The fourth proportional to 99,491,789.62, 137,297,274.04 and 55,440,645.13 is: 76,507,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,491,789.62 : 137,297,274.04 = 55,440,645.13 : x
  2. Step 2: Convert to fraction form
    99,491,789.62/137,297,274.04 = 55,440,645.13/x
  3. Step 3: Cross multiply
    99,491,789.62x = 137,297,274.04 × 55,440,645.13
  4. Step 4: Simplify right side
    99,491,789.62x = 7,611,849,447,368,001
  5. Step 5: Solve for x
    x = 7,611,849,447,368,001/99,491,789.62
  6. Step 6: Final answer
    x = 76,507,312.58

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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.