Home / 77,516,328,339.37-106,992,436,396.53-50,486,957,415.64

Finding the Fourth Proportional to 77,516,328,339.37, 106,992,436,396.53 and 50,486,957,415.64

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Solution

The fourth proportional to 77,516,328,339.37, 106,992,436,396.53 and 50,486,957,415.64 is: 69,684,964,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,516,328,339.37 : 106,992,436,396.53 = 50,486,957,415.64 : x
  2. Step 2: Convert to fraction form
    77,516,328,339.37/106,992,436,396.53 = 50,486,957,415.64/x
  3. Step 3: Cross multiply
    77,516,328,339.37x = 106,992,436,396.53 × 50,486,957,415.64
  4. Step 4: Simplify right side
    77,516,328,339.37x = 5,401,722,580,147,181,191,168
  5. Step 5: Solve for x
    x = 5,401,722,580,147,181,191,168/77,516,328,339.37
  6. Step 6: Final answer
    x = 69,684,964,392.25

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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.