Home / 76,740,187.32-115,114,267.40-38,388,747.56

Finding the Fourth Proportional to 76,740,187.32, 115,114,267.40 and 38,388,747.56

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Solution

The fourth proportional to 76,740,187.32, 115,114,267.40 and 38,388,747.56 is: 57,585,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,740,187.32 : 115,114,267.40 = 38,388,747.56 : x
  2. Step 2: Convert to fraction form
    76,740,187.32/115,114,267.40 = 38,388,747.56/x
  3. Step 3: Cross multiply
    76,740,187.32x = 115,114,267.40 × 38,388,747.56
  4. Step 4: Simplify right side
    76,740,187.32x = 4,419,092,551,005,422.50
  5. Step 5: Solve for x
    x = 4,419,092,551,005,422.50/76,740,187.32
  6. Step 6: Final answer
    x = 57,585,115.51

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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.