Home / 77,516,328,897.87-106,992,437,168.48-50,486,957,974.14

Finding the Fourth Proportional to 77,516,328,897.87, 106,992,437,168.48 and 50,486,957,974.14

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Solution

The fourth proportional to 77,516,328,897.87, 106,992,437,168.48 and 50,486,957,974.14 is: 69,684,965,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,516,328,897.87 : 106,992,437,168.48 = 50,486,957,974.14 : x
  2. Step 2: Convert to fraction form
    77,516,328,897.87/106,992,437,168.48 = 50,486,957,974.14/x
  3. Step 3: Cross multiply
    77,516,328,897.87x = 106,992,437,168.48 × 50,486,957,974.14
  4. Step 4: Simplify right side
    77,516,328,897.87x = 5,401,722,678,875,863,908,352
  5. Step 5: Solve for x
    x = 5,401,722,678,875,863,908,352/77,516,328,897.87
  6. Step 6: Final answer
    x = 69,684,965,163.83

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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.