Home / 71,366,885.49-107,054,760.56-20,252,904.69

Finding the Fourth Proportional to 71,366,885.49, 107,054,760.56 and 20,252,904.69

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Solution

The fourth proportional to 71,366,885.49, 107,054,760.56 and 20,252,904.69 is: 30,380,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366,885.49 : 107,054,760.56 = 20,252,904.69 : x
  2. Step 2: Convert to fraction form
    71,366,885.49/107,054,760.56 = 20,252,904.69/x
  3. Step 3: Cross multiply
    71,366,885.49x = 107,054,760.56 × 20,252,904.69
  4. Step 4: Simplify right side
    71,366,885.49x = 2,168,169,862,131,186.75
  5. Step 5: Solve for x
    x = 2,168,169,862,131,186.75/71,366,885.49
  6. Step 6: Final answer
    x = 30,380,614.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.