Home / 289,682,545.92-399,749,744.61-164,243,180.58

Finding the Fourth Proportional to 289,682,545.92, 399,749,744.61 and 164,243,180.58

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Solution

The fourth proportional to 289,682,545.92, 399,749,744.61 and 164,243,180.58 is: 226,648,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,682,545.92 : 399,749,744.61 = 164,243,180.58 : x
  2. Step 2: Convert to fraction form
    289,682,545.92/399,749,744.61 = 164,243,180.58/x
  3. Step 3: Cross multiply
    289,682,545.92x = 399,749,744.61 × 164,243,180.58
  4. Step 4: Simplify right side
    289,682,545.92x = 65,656,169,490,789,120
  5. Step 5: Solve for x
    x = 65,656,169,490,789,120/289,682,545.92
  6. Step 6: Final answer
    x = 226,648,689.80

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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.