Home / 221,780,963.80-332,671,445.70-164,385,335.80

Finding the Fourth Proportional to 221,780,963.80, 332,671,445.70 and 164,385,335.80

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Solution

The fourth proportional to 221,780,963.80, 332,671,445.70 and 164,385,335.80 is: 246,578,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,780,963.80 : 332,671,445.70 = 164,385,335.80 : x
  2. Step 2: Convert to fraction form
    221,780,963.80/332,671,445.70 = 164,385,335.80/x
  3. Step 3: Cross multiply
    221,780,963.80x = 332,671,445.70 × 164,385,335.80
  4. Step 4: Simplify right side
    221,780,963.80x = 54,686,307,312,465,968
  5. Step 5: Solve for x
    x = 54,686,307,312,465,968/221,780,963.80
  6. Step 6: Final answer
    x = 246,578,003.70

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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.