Home / 252,278,814.30-378,418,221.45-184,254,366.30

Finding the Fourth Proportional to 252,278,814.30, 378,418,221.45 and 184,254,366.30

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Solution

The fourth proportional to 252,278,814.30, 378,418,221.45 and 184,254,366.30 is: 276,381,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,278,814.30 : 378,418,221.45 = 184,254,366.30 : x
  2. Step 2: Convert to fraction form
    252,278,814.30/378,418,221.45 = 184,254,366.30/x
  3. Step 3: Cross multiply
    252,278,814.30x = 378,418,221.45 × 184,254,366.30
  4. Step 4: Simplify right side
    252,278,814.30x = 69,725,209,589,642,816
  5. Step 5: Solve for x
    x = 69,725,209,589,642,816/252,278,814.30
  6. Step 6: Final answer
    x = 276,381,549.45

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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.