Home / 87,394,957,789.72-120,603,758,227.57-48,814,440,698.98

Finding the Fourth Proportional to 87,394,957,789.72, 120,603,758,227.57 and 48,814,440,698.98

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Solution

The fourth proportional to 87,394,957,789.72, 120,603,758,227.57 and 48,814,440,698.98 is: 67,363,211,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,394,957,789.72 : 120,603,758,227.57 = 48,814,440,698.98 : x
  2. Step 2: Convert to fraction form
    87,394,957,789.72/120,603,758,227.57 = 48,814,440,698.98/x
  3. Step 3: Cross multiply
    87,394,957,789.72x = 120,603,758,227.57 × 48,814,440,698.98
  4. Step 4: Simplify right side
    87,394,957,789.72x = 5,887,205,004,073,354,919,936
  5. Step 5: Solve for x
    x = 5,887,205,004,073,354,919,936/87,394,957,789.72
  6. Step 6: Final answer
    x = 67,363,211,253.43

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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.