Home / 76,773,891.98-115,160,837.96-25,655,910.78

Finding the Fourth Proportional to 76,773,891.98, 115,160,837.96 and 25,655,910.78

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Solution

The fourth proportional to 76,773,891.98, 115,160,837.96 and 25,655,910.78 is: 38,483,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,773,891.98 : 115,160,837.96 = 25,655,910.78 : x
  2. Step 2: Convert to fraction form
    76,773,891.98/115,160,837.96 = 25,655,910.78/x
  3. Step 3: Cross multiply
    76,773,891.98x = 115,160,837.96 × 25,655,910.78
  4. Step 4: Simplify right side
    76,773,891.98x = 2,954,556,184,051,797
  5. Step 5: Solve for x
    x = 2,954,556,184,051,797/76,773,891.98
  6. Step 6: Final answer
    x = 38,483,866.17

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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.