Home / 126,521,019.83-189,789,856.77-33,150,277.58

Finding the Fourth Proportional to 126,521,019.83, 189,789,856.77 and 33,150,277.58

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Solution

The fourth proportional to 126,521,019.83, 189,789,856.77 and 33,150,277.58 is: 49,727,598.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,521,019.83 : 189,789,856.77 = 33,150,277.58 : x
  2. Step 2: Convert to fraction form
    126,521,019.83/189,789,856.77 = 33,150,277.58/x
  3. Step 3: Cross multiply
    126,521,019.83x = 189,789,856.77 × 33,150,277.58
  4. Step 4: Simplify right side
    126,521,019.83x = 6,291,586,433,793,942
  5. Step 5: Solve for x
    x = 6,291,586,433,793,942/126,521,019.83
  6. Step 6: Final answer
    x = 49,727,598.17

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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.