Home / 256,094,063.64-384,202,207.52-83,571,198.12

Finding the Fourth Proportional to 256,094,063.64, 384,202,207.52 and 83,571,198.12

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Solution

The fourth proportional to 256,094,063.64, 384,202,207.52 and 83,571,198.12 is: 125,376,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,094,063.64 : 384,202,207.52 = 83,571,198.12 : x
  2. Step 2: Convert to fraction form
    256,094,063.64/384,202,207.52 = 83,571,198.12/x
  3. Step 3: Cross multiply
    256,094,063.64x = 384,202,207.52 × 83,571,198.12
  4. Step 4: Simplify right side
    256,094,063.64x = 32,108,238,802,795,276
  5. Step 5: Solve for x
    x = 32,108,238,802,795,276/256,094,063.64
  6. Step 6: Final answer
    x = 125,376,739.88

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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.