Home / 80,857,269.54-121,272,617.07-29,031,143.22

Finding the Fourth Proportional to 80,857,269.54, 121,272,617.07 and 29,031,143.22

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Solution

The fourth proportional to 80,857,269.54, 121,272,617.07 and 29,031,143.22 is: 43,541,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,857,269.54 : 121,272,617.07 = 29,031,143.22 : x
  2. Step 2: Convert to fraction form
    80,857,269.54/121,272,617.07 = 29,031,143.22/x
  3. Step 3: Cross multiply
    80,857,269.54x = 121,272,617.07 × 29,031,143.22
  4. Step 4: Simplify right side
    80,857,269.54x = 3,520,682,714,823,386.50
  5. Step 5: Solve for x
    x = 3,520,682,714,823,386.50/80,857,269.54
  6. Step 6: Final answer
    x = 43,541,944.15

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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.