Home / 289,682,880.48-399,750,205.32-164,243,514.60

Finding the Fourth Proportional to 289,682,880.48, 399,750,205.32 and 164,243,514.60

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Solution

The fourth proportional to 289,682,880.48, 399,750,205.32 and 164,243,514.60 is: 226,649,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,682,880.48 : 399,750,205.32 = 164,243,514.60 : x
  2. Step 2: Convert to fraction form
    289,682,880.48/399,750,205.32 = 164,243,514.60/x
  3. Step 3: Cross multiply
    289,682,880.48x = 399,750,205.32 × 164,243,514.60
  4. Step 4: Simplify right side
    289,682,880.48x = 65,656,378,683,828,416
  5. Step 5: Solve for x
    x = 65,656,378,683,828,416/289,682,880.48
  6. Step 6: Final answer
    x = 226,649,150.18

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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.