Home / 221,781,178.80-332,671,768.20-164,385,550.80

Finding the Fourth Proportional to 221,781,178.80, 332,671,768.20 and 164,385,550.80

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Solution

The fourth proportional to 221,781,178.80, 332,671,768.20 and 164,385,550.80 is: 246,578,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,781,178.80 : 332,671,768.20 = 164,385,550.80 : x
  2. Step 2: Convert to fraction form
    221,781,178.80/332,671,768.20 = 164,385,550.80/x
  3. Step 3: Cross multiply
    221,781,178.80x = 332,671,768.20 × 164,385,550.80
  4. Step 4: Simplify right side
    221,781,178.80x = 54,686,431,851,166,928
  5. Step 5: Solve for x
    x = 54,686,431,851,166,928/221,781,178.80
  6. Step 6: Final answer
    x = 246,578,326.20

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1.5x scale

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.