Home / 221,886,024.80-332,829,037.20-215,508,732.80

Finding the Fourth Proportional to 221,886,024.80, 332,829,037.20 and 215,508,732.80

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Solution

The fourth proportional to 221,886,024.80, 332,829,037.20 and 215,508,732.80 is: 323,263,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,886,024.80 : 332,829,037.20 = 215,508,732.80 : x
  2. Step 2: Convert to fraction form
    221,886,024.80/332,829,037.20 = 215,508,732.80/x
  3. Step 3: Cross multiply
    221,886,024.80x = 332,829,037.20 × 215,508,732.80
  4. Step 4: Simplify right side
    221,886,024.80x = 71,727,564,046,016,064
  5. Step 5: Solve for x
    x = 71,727,564,046,016,064/221,886,024.80
  6. Step 6: Final answer
    x = 323,263,099.20

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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.