Home / 139,351,090.51-192,305,252.63-76,631,232.88

Finding the Fourth Proportional to 139,351,090.51, 192,305,252.63 and 76,631,232.88

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Solution

The fourth proportional to 139,351,090.51, 192,305,252.63 and 76,631,232.88 is: 105,751,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,351,090.51 : 192,305,252.63 = 76,631,232.88 : x
  2. Step 2: Convert to fraction form
    139,351,090.51/192,305,252.63 = 76,631,232.88/x
  3. Step 3: Cross multiply
    139,351,090.51x = 192,305,252.63 × 76,631,232.88
  4. Step 4: Simplify right side
    139,351,090.51x = 14,736,588,597,375,236
  5. Step 5: Solve for x
    x = 14,736,588,597,375,236/139,351,090.51
  6. Step 6: Final answer
    x = 105,751,512.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.