Home / 107,661,640.20-161,492,460.30-100,008,889.80

Finding the Fourth Proportional to 107,661,640.20, 161,492,460.30 and 100,008,889.80

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Solution

The fourth proportional to 107,661,640.20, 161,492,460.30 and 100,008,889.80 is: 150,013,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,661,640.20 : 161,492,460.30 = 100,008,889.80 : x
  2. Step 2: Convert to fraction form
    107,661,640.20/161,492,460.30 = 100,008,889.80/x
  3. Step 3: Cross multiply
    107,661,640.20x = 161,492,460.30 × 100,008,889.80
  4. Step 4: Simplify right side
    107,661,640.20x = 16,150,681,665,673,576
  5. Step 5: Solve for x
    x = 16,150,681,665,673,576/107,661,640.20
  6. Step 6: Final answer
    x = 150,013,334.70

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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.