Home / 77,516,328,896.62-106,992,437,166.75-50,486,957,972.89

Finding the Fourth Proportional to 77,516,328,896.62, 106,992,437,166.75 and 50,486,957,972.89

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Solution

The fourth proportional to 77,516,328,896.62, 106,992,437,166.75 and 50,486,957,972.89 is: 69,684,965,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,516,328,896.62 : 106,992,437,166.75 = 50,486,957,972.89 : x
  2. Step 2: Convert to fraction form
    77,516,328,896.62/106,992,437,166.75 = 50,486,957,972.89/x
  3. Step 3: Cross multiply
    77,516,328,896.62x = 106,992,437,166.75 × 50,486,957,972.89
  4. Step 4: Simplify right side
    77,516,328,896.62x = 5,401,722,678,654,781,095,936
  5. Step 5: Solve for x
    x = 5,401,722,678,654,781,095,936/77,516,328,896.62
  6. Step 6: Final answer
    x = 69,684,965,162.10

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Double scale
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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.