Home / 289,682,729.94-399,749,998.32-164,243,364.60

Finding the Fourth Proportional to 289,682,729.94, 399,749,998.32 and 164,243,364.60

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Solution

The fourth proportional to 289,682,729.94, 399,749,998.32 and 164,243,364.60 is: 226,648,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,682,729.94 : 399,749,998.32 = 164,243,364.60 : x
  2. Step 2: Convert to fraction form
    289,682,729.94/399,749,998.32 = 164,243,364.60/x
  3. Step 3: Cross multiply
    289,682,729.94x = 399,749,998.32 × 164,243,364.60
  4. Step 4: Simplify right side
    289,682,729.94x = 65,656,284,722,921,144
  5. Step 5: Solve for x
    x = 65,656,284,722,921,144/289,682,729.94
  6. Step 6: Final answer
    x = 226,648,943.61

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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.