Home / 305,899,932.12-458,934,233.40-121,796,694.96

Finding the Fourth Proportional to 305,899,932.12, 458,934,233.40 and 121,796,694.96

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Solution

The fourth proportional to 305,899,932.12, 458,934,233.40 and 121,796,694.96 is: 182,728,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,899,932.12 : 458,934,233.40 = 121,796,694.96 : x
  2. Step 2: Convert to fraction form
    305,899,932.12/458,934,233.40 = 121,796,694.96/x
  3. Step 3: Cross multiply
    305,899,932.12x = 458,934,233.40 × 121,796,694.96
  4. Step 4: Simplify right side
    305,899,932.12x = 55,896,672,832,121,240
  5. Step 5: Solve for x
    x = 55,896,672,832,121,240/305,899,932.12
  6. Step 6: Final answer
    x = 182,728,621.23

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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.