Home / 87,394,957,802.52-120,603,758,245.16-48,814,440,711.72

Finding the Fourth Proportional to 87,394,957,802.52, 120,603,758,245.16 and 48,814,440,711.72

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Solution

The fourth proportional to 87,394,957,802.52, 120,603,758,245.16 and 48,814,440,711.72 is: 67,363,211,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,394,957,802.52 : 120,603,758,245.16 = 48,814,440,711.72 : x
  2. Step 2: Convert to fraction form
    87,394,957,802.52/120,603,758,245.16 = 48,814,440,711.72/x
  3. Step 3: Cross multiply
    87,394,957,802.52x = 120,603,758,245.16 × 48,814,440,711.72
  4. Step 4: Simplify right side
    87,394,957,802.52x = 5,887,205,006,468,975,689,728
  5. Step 5: Solve for x
    x = 5,887,205,006,468,975,689,728/87,394,957,802.52
  6. Step 6: Final answer
    x = 67,363,211,270.97

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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.