Home / 221,289,496.80-305,517,323.46-140,866,865.94

Finding the Fourth Proportional to 221,289,496.80, 305,517,323.46 and 140,866,865.94

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Solution

The fourth proportional to 221,289,496.80, 305,517,323.46 and 140,866,865.94 is: 194,484,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,289,496.80 : 305,517,323.46 = 140,866,865.94 : x
  2. Step 2: Convert to fraction form
    221,289,496.80/305,517,323.46 = 140,866,865.94/x
  3. Step 3: Cross multiply
    221,289,496.80x = 305,517,323.46 × 140,866,865.94
  4. Step 4: Simplify right side
    221,289,496.80x = 43,037,267,846,187,432
  5. Step 5: Solve for x
    x = 43,037,267,846,187,432/221,289,496.80
  6. Step 6: Final answer
    x = 194,484,006.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.