Home / 295,525,972.80-443,288,959.20-80,115,220.80

Finding the Fourth Proportional to 295,525,972.80, 443,288,959.20 and 80,115,220.80

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Solution

The fourth proportional to 295,525,972.80, 443,288,959.20 and 80,115,220.80 is: 120,172,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,525,972.80 : 443,288,959.20 = 80,115,220.80 : x
  2. Step 2: Convert to fraction form
    295,525,972.80/443,288,959.20 = 80,115,220.80/x
  3. Step 3: Cross multiply
    295,525,972.80x = 443,288,959.20 × 80,115,220.80
  4. Step 4: Simplify right side
    295,525,972.80x = 35,514,192,844,510,188
  5. Step 5: Solve for x
    x = 35,514,192,844,510,188/295,525,972.80
  6. Step 6: Final answer
    x = 120,172,831.20

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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.