Home / 86,660,607.57-119,521,906.20-76,184,223.87

Finding the Fourth Proportional to 86,660,607.57, 119,521,906.20 and 76,184,223.87

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Solution

The fourth proportional to 86,660,607.57, 119,521,906.20 and 76,184,223.87 is: 105,072,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,660,607.57 : 119,521,906.20 = 76,184,223.87 : x
  2. Step 2: Convert to fraction form
    86,660,607.57/119,521,906.20 = 76,184,223.87/x
  3. Step 3: Cross multiply
    86,660,607.57x = 119,521,906.20 × 76,184,223.87
  4. Step 4: Simplify right side
    86,660,607.57x = 9,105,683,659,309,942
  5. Step 5: Solve for x
    x = 9,105,683,659,309,942/86,660,607.57
  6. Step 6: Final answer
    x = 105,072,926.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.