Home / 139,473,018.65-192,738,216.91-104,605,174.64

Finding the Fourth Proportional to 139,473,018.65, 192,738,216.91 and 104,605,174.64

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Solution

The fourth proportional to 139,473,018.65, 192,738,216.91 and 104,605,174.64 is: 144,554,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,473,018.65 : 192,738,216.91 = 104,605,174.64 : x
  2. Step 2: Convert to fraction form
    139,473,018.65/192,738,216.91 = 104,605,174.64/x
  3. Step 3: Cross multiply
    139,473,018.65x = 192,738,216.91 × 104,605,174.64
  4. Step 4: Simplify right side
    139,473,018.65x = 20,161,414,840,236,188
  5. Step 5: Solve for x
    x = 20,161,414,840,236,188/139,473,018.65
  6. Step 6: Final answer
    x = 144,554,230.17

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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.