Home / 221,781,046.80-332,671,570.20-164,385,418.80

Finding the Fourth Proportional to 221,781,046.80, 332,671,570.20 and 164,385,418.80

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Solution

The fourth proportional to 221,781,046.80, 332,671,570.20 and 164,385,418.80 is: 246,578,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,781,046.80 : 332,671,570.20 = 164,385,418.80 : x
  2. Step 2: Convert to fraction form
    221,781,046.80/332,671,570.20 = 164,385,418.80/x
  3. Step 3: Cross multiply
    221,781,046.80x = 332,671,570.20 × 164,385,418.80
  4. Step 4: Simplify right side
    221,781,046.80x = 54,686,355,390,180,600
  5. Step 5: Solve for x
    x = 54,686,355,390,180,600/221,781,046.80
  6. Step 6: Final answer
    x = 246,578,128.20

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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.