Home / 122,272,591.36-183,410,753.64-31,394,168.32

Finding the Fourth Proportional to 122,272,591.36, 183,410,753.64 and 31,394,168.32

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Solution

The fourth proportional to 122,272,591.36, 183,410,753.64 and 31,394,168.32 is: 47,091,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,272,591.36 : 183,410,753.64 = 31,394,168.32 : x
  2. Step 2: Convert to fraction form
    122,272,591.36/183,410,753.64 = 31,394,168.32/x
  3. Step 3: Cross multiply
    122,272,591.36x = 183,410,753.64 × 31,394,168.32
  4. Step 4: Simplify right side
    122,272,591.36x = 5,758,028,071,472,212
  5. Step 5: Solve for x
    x = 5,758,028,071,472,212/122,272,591.36
  6. Step 6: Final answer
    x = 47,091,731.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.