Home / 146,619,419.78-219,976,903.47-69,932,468.90

Finding the Fourth Proportional to 146,619,419.78, 219,976,903.47 and 69,932,468.90

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Solution

The fourth proportional to 146,619,419.78, 219,976,903.47 and 69,932,468.90 is: 104,921,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,619,419.78 : 219,976,903.47 = 69,932,468.90 : x
  2. Step 2: Convert to fraction form
    146,619,419.78/219,976,903.47 = 69,932,468.90/x
  3. Step 3: Cross multiply
    146,619,419.78x = 219,976,903.47 × 69,932,468.90
  4. Step 4: Simplify right side
    146,619,419.78x = 15,383,527,960,634,078
  5. Step 5: Solve for x
    x = 15,383,527,960,634,078/146,619,419.78
  6. Step 6: Final answer
    x = 104,921,489.83

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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.