Home / 123,058,108.80-184,363,214.40-100,215,331.20

Finding the Fourth Proportional to 123,058,108.80, 184,363,214.40 and 100,215,331.20

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Solution

The fourth proportional to 123,058,108.80, 184,363,214.40 and 100,215,331.20 is: 150,140,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,058,108.80 : 184,363,214.40 = 100,215,331.20 : x
  2. Step 2: Convert to fraction form
    123,058,108.80/184,363,214.40 = 100,215,331.20/x
  3. Step 3: Cross multiply
    123,058,108.80x = 184,363,214.40 × 100,215,331.20
  4. Step 4: Simplify right side
    123,058,108.80x = 18,476,020,592,192,612
  5. Step 5: Solve for x
    x = 18,476,020,592,192,612/123,058,108.80
  6. Step 6: Final answer
    x = 150,140,618.71

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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.