Home / 84,968,342.10-117,252,906.21-50,172,238.98

Finding the Fourth Proportional to 84,968,342.10, 117,252,906.21 and 50,172,238.98

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Solution

The fourth proportional to 84,968,342.10, 117,252,906.21 and 50,172,238.98 is: 69,235,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,968,342.10 : 117,252,906.21 = 50,172,238.98 : x
  2. Step 2: Convert to fraction form
    84,968,342.10/117,252,906.21 = 50,172,238.98/x
  3. Step 3: Cross multiply
    84,968,342.10x = 117,252,906.21 × 50,172,238.98
  4. Step 4: Simplify right side
    84,968,342.10x = 5,882,840,831,467,645
  5. Step 5: Solve for x
    x = 5,882,840,831,467,645/84,968,342.10
  6. Step 6: Final answer
    x = 69,235,678.68

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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.