Home / 76,988,031.24-115,507,828.89-25,175,023.32

Finding the Fourth Proportional to 76,988,031.24, 115,507,828.89 and 25,175,023.32

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Solution

The fourth proportional to 76,988,031.24, 115,507,828.89 and 25,175,023.32 is: 37,770,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,988,031.24 : 115,507,828.89 = 25,175,023.32 : x
  2. Step 2: Convert to fraction form
    76,988,031.24/115,507,828.89 = 25,175,023.32/x
  3. Step 3: Cross multiply
    76,988,031.24x = 115,507,828.89 × 25,175,023.32
  4. Step 4: Simplify right side
    76,988,031.24x = 2,907,912,285,948,320
  5. Step 5: Solve for x
    x = 2,907,912,285,948,320/76,988,031.24
  6. Step 6: Final answer
    x = 37,770,965.68

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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.