Home / 256,080,829.48-384,121,521.24-119,861,872.36

Finding the Fourth Proportional to 256,080,829.48, 384,121,521.24 and 119,861,872.36

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Solution

The fourth proportional to 256,080,829.48, 384,121,521.24 and 119,861,872.36 is: 179,792,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,080,829.48 : 384,121,521.24 = 119,861,872.36 : x
  2. Step 2: Convert to fraction form
    256,080,829.48/384,121,521.24 = 119,861,872.36/x
  3. Step 3: Cross multiply
    256,080,829.48x = 384,121,521.24 × 119,861,872.36
  4. Step 4: Simplify right side
    256,080,829.48x = 46,041,524,748,188,120
  5. Step 5: Solve for x
    x = 46,041,524,748,188,120/256,080,829.48
  6. Step 6: Final answer
    x = 179,792,938.20

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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.