Home / 76,944,662.53-115,417,223.42-18,652,109.38

Finding the Fourth Proportional to 76,944,662.53, 115,417,223.42 and 18,652,109.38

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Solution

The fourth proportional to 76,944,662.53, 115,417,223.42 and 18,652,109.38 is: 27,978,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944,662.53 : 115,417,223.42 = 18,652,109.38 : x
  2. Step 2: Convert to fraction form
    76,944,662.53/115,417,223.42 = 18,652,109.38/x
  3. Step 3: Cross multiply
    76,944,662.53x = 115,417,223.42 × 18,652,109.38
  4. Step 4: Simplify right side
    76,944,662.53x = 2,152,774,675,565,737.50
  5. Step 5: Solve for x
    x = 2,152,774,675,565,737.50/76,944,662.53
  6. Step 6: Final answer
    x = 27,978,219.73

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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.