Home / 76,007,163.96-114,009,148.62-18,499,755.96

Finding the Fourth Proportional to 76,007,163.96, 114,009,148.62 and 18,499,755.96

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Solution

The fourth proportional to 76,007,163.96, 114,009,148.62 and 18,499,755.96 is: 27,749,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,007,163.96 : 114,009,148.62 = 18,499,755.96 : x
  2. Step 2: Convert to fraction form
    76,007,163.96/114,009,148.62 = 18,499,755.96/x
  3. Step 3: Cross multiply
    76,007,163.96x = 114,009,148.62 × 18,499,755.96
  4. Step 4: Simplify right side
    76,007,163.96x = 2,109,141,426,677,371
  5. Step 5: Solve for x
    x = 2,109,141,426,677,371/76,007,163.96
  6. Step 6: Final answer
    x = 27,749,245.16

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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.