Home / 77,516,328,895.62-106,992,437,165.37-50,486,957,971.89

Finding the Fourth Proportional to 77,516,328,895.62, 106,992,437,165.37 and 50,486,957,971.89

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Solution

The fourth proportional to 77,516,328,895.62, 106,992,437,165.37 and 50,486,957,971.89 is: 69,684,965,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,516,328,895.62 : 106,992,437,165.37 = 50,486,957,971.89 : x
  2. Step 2: Convert to fraction form
    77,516,328,895.62/106,992,437,165.37 = 50,486,957,971.89/x
  3. Step 3: Cross multiply
    77,516,328,895.62x = 106,992,437,165.37 × 50,486,957,971.89
  4. Step 4: Simplify right side
    77,516,328,895.62x = 5,401,722,678,478,117,011,456
  5. Step 5: Solve for x
    x = 5,401,722,678,478,117,011,456/77,516,328,895.62
  6. Step 6: Final answer
    x = 69,684,965,160.72

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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.