Home / 126,521,024.06-189,789,863.12-33,150,281.81

Finding the Fourth Proportional to 126,521,024.06, 189,789,863.12 and 33,150,281.81

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Solution

The fourth proportional to 126,521,024.06, 189,789,863.12 and 33,150,281.81 is: 49,727,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,521,024.06 : 189,789,863.12 = 33,150,281.81 : x
  2. Step 2: Convert to fraction form
    126,521,024.06/189,789,863.12 = 33,150,281.81/x
  3. Step 3: Cross multiply
    126,521,024.06x = 189,789,863.12 × 33,150,281.81
  4. Step 4: Simplify right side
    126,521,024.06x = 6,291,587,447,673,786
  5. Step 5: Solve for x
    x = 6,291,587,447,673,786/126,521,024.06
  6. Step 6: Final answer
    x = 49,727,604.52

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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.