Home / 256,265,655.91-384,538,422.14-108,690,260.70

Finding the Fourth Proportional to 256,265,655.91, 384,538,422.14 and 108,690,260.70

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Solution

The fourth proportional to 256,265,655.91, 384,538,422.14 and 108,690,260.70 is: 163,094,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,265,655.91 : 384,538,422.14 = 108,690,260.70 : x
  2. Step 2: Convert to fraction form
    256,265,655.91/384,538,422.14 = 108,690,260.70/x
  3. Step 3: Cross multiply
    256,265,655.91x = 384,538,422.14 × 108,690,260.70
  4. Step 4: Simplify right side
    256,265,655.91x = 41,795,581,353,481,328
  5. Step 5: Solve for x
    x = 41,795,581,353,481,328/256,265,655.91
  6. Step 6: Final answer
    x = 163,094,743.24

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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.