Home / 123,058,105.80-184,363,209.90-100,215,328.20

Finding the Fourth Proportional to 123,058,105.80, 184,363,209.90 and 100,215,328.20

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Solution

The fourth proportional to 123,058,105.80, 184,363,209.90 and 100,215,328.20 is: 150,140,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,058,105.80 : 184,363,209.90 = 100,215,328.20 : x
  2. Step 2: Convert to fraction form
    123,058,105.80/184,363,209.90 = 100,215,328.20/x
  3. Step 3: Cross multiply
    123,058,105.80x = 184,363,209.90 × 100,215,328.20
  4. Step 4: Simplify right side
    123,058,105.80x = 18,476,019,588,133,992
  5. Step 5: Solve for x
    x = 18,476,019,588,133,992/123,058,105.80
  6. Step 6: Final answer
    x = 150,140,614.21

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1.5x scale

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.