Home / 120,336,793.02-166,220,551.08-99,512,939.58

Finding the Fourth Proportional to 120,336,793.02, 166,220,551.08 and 99,512,939.58

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Solution

The fourth proportional to 120,336,793.02, 166,220,551.08 and 99,512,939.58 is: 137,456,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,336,793.02 : 166,220,551.08 = 99,512,939.58 : x
  2. Step 2: Convert to fraction form
    120,336,793.02/166,220,551.08 = 99,512,939.58/x
  3. Step 3: Cross multiply
    120,336,793.02x = 166,220,551.08 × 99,512,939.58
  4. Step 4: Simplify right side
    120,336,793.02x = 16,541,095,656,578,344
  5. Step 5: Solve for x
    x = 16,541,095,656,578,344/120,336,793.02
  6. Step 6: Final answer
    x = 137,456,676.73

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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.