Home / 76,740,188.82-115,114,269.65-38,388,749.06

Finding the Fourth Proportional to 76,740,188.82, 115,114,269.65 and 38,388,749.06

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Solution

The fourth proportional to 76,740,188.82, 115,114,269.65 and 38,388,749.06 is: 57,585,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,740,188.82 : 115,114,269.65 = 38,388,749.06 : x
  2. Step 2: Convert to fraction form
    76,740,188.82/115,114,269.65 = 38,388,749.06/x
  3. Step 3: Cross multiply
    76,740,188.82x = 115,114,269.65 × 38,388,749.06
  4. Step 4: Simplify right side
    76,740,188.82x = 4,419,092,810,051,508.50
  5. Step 5: Solve for x
    x = 4,419,092,810,051,508.50/76,740,188.82
  6. Step 6: Final answer
    x = 57,585,117.76

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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.