Home / 139,153,924.92-192,097,796.53-80,405,226

Finding the Fourth Proportional to 139,153,924.92, 192,097,796.53 and 80,405,226

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Solution

The fourth proportional to 139,153,924.92, 192,097,796.53 and 80,405,226 is: 110,996,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,153,924.92 : 192,097,796.53 = 80,405,226 : x
  2. Step 2: Convert to fraction form
    139,153,924.92/192,097,796.53 = 80,405,226/x
  3. Step 3: Cross multiply
    139,153,924.92x = 192,097,796.53 × 80,405,226
  4. Step 4: Simplify right side
    139,153,924.92x = 15,445,666,744,096,666
  5. Step 5: Solve for x
    x = 15,445,666,744,096,666/139,153,924.92
  6. Step 6: Final answer
    x = 110,996,989.51

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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.