Home / 160,425,929,418.58-221,393,091,939.86-88,170,555,393.24

Finding the Fourth Proportional to 160,425,929,418.58, 221,393,091,939.86 and 88,170,555,393.24

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Solution

The fourth proportional to 160,425,929,418.58, 221,393,091,939.86 and 88,170,555,393.24 is: 121,678,284,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,425,929,418.58 : 221,393,091,939.86 = 88,170,555,393.24 : x
  2. Step 2: Convert to fraction form
    160,425,929,418.58/221,393,091,939.86 = 88,170,555,393.24/x
  3. Step 3: Cross multiply
    160,425,929,418.58x = 221,393,091,939.86 × 88,170,555,393.24
  4. Step 4: Simplify right side
    160,425,929,418.58x = 19,520,351,876,564,100,579,328
  5. Step 5: Solve for x
    x = 19,520,351,876,564,100,579,328/160,425,929,418.58
  6. Step 6: Final answer
    x = 121,678,284,472.53

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1.5x scale

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.