Home / 252,278,680.80-378,418,021.20-184,254,232.80

Finding the Fourth Proportional to 252,278,680.80, 378,418,021.20 and 184,254,232.80

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Solution

The fourth proportional to 252,278,680.80, 378,418,021.20 and 184,254,232.80 is: 276,381,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,278,680.80 : 378,418,021.20 = 184,254,232.80 : x
  2. Step 2: Convert to fraction form
    252,278,680.80/378,418,021.20 = 184,254,232.80/x
  3. Step 3: Cross multiply
    252,278,680.80x = 378,418,021.20 × 184,254,232.80
  4. Step 4: Simplify right side
    252,278,680.80x = 69,725,122,173,900,136
  5. Step 5: Solve for x
    x = 69,725,122,173,900,136/252,278,680.80
  6. Step 6: Final answer
    x = 276,381,349.20

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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.