Home / 275,181,131.64-379,738,492.92-149,733,820.20

Finding the Fourth Proportional to 275,181,131.64, 379,738,492.92 and 149,733,820.20

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Solution

The fourth proportional to 275,181,131.64, 379,738,492.92 and 149,733,820.20 is: 206,626,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,181,131.64 : 379,738,492.92 = 149,733,820.20 : x
  2. Step 2: Convert to fraction form
    275,181,131.64/379,738,492.92 = 149,733,820.20/x
  3. Step 3: Cross multiply
    275,181,131.64x = 379,738,492.92 × 149,733,820.20
  4. Step 4: Simplify right side
    275,181,131.64x = 56,859,695,221,902,248
  5. Step 5: Solve for x
    x = 56,859,695,221,902,248/275,181,131.64
  6. Step 6: Final answer
    x = 206,626,431.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.