Home / 76,508,996.88-105,577,620.84-42,170,180.88

Finding the Fourth Proportional to 76,508,996.88, 105,577,620.84 and 42,170,180.88

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Solution

The fourth proportional to 76,508,996.88, 105,577,620.84 and 42,170,180.88 is: 58,192,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,508,996.88 : 105,577,620.84 = 42,170,180.88 : x
  2. Step 2: Convert to fraction form
    76,508,996.88/105,577,620.84 = 42,170,180.88/x
  3. Step 3: Cross multiply
    76,508,996.88x = 105,577,620.84 × 42,170,180.88
  4. Step 4: Simplify right side
    76,508,996.88x = 4,452,227,367,702,858
  5. Step 5: Solve for x
    x = 4,452,227,367,702,858/76,508,996.88
  6. Step 6: Final answer
    x = 58,192,206.79

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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.