Home / 107,676,040.80-161,514,061.20-100,448,443.20

Finding the Fourth Proportional to 107,676,040.80, 161,514,061.20 and 100,448,443.20

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Solution

The fourth proportional to 107,676,040.80, 161,514,061.20 and 100,448,443.20 is: 150,672,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,676,040.80 : 161,514,061.20 = 100,448,443.20 : x
  2. Step 2: Convert to fraction form
    107,676,040.80/161,514,061.20 = 100,448,443.20/x
  3. Step 3: Cross multiply
    107,676,040.80x = 161,514,061.20 × 100,448,443.20
  4. Step 4: Simplify right side
    107,676,040.80x = 16,223,836,002,449,524
  5. Step 5: Solve for x
    x = 16,223,836,002,449,524/107,676,040.80
  6. Step 6: Final answer
    x = 150,672,664.80

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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.