Home / 222,598,651.52-307,187,846.54-122,126,433.57

Finding the Fourth Proportional to 222,598,651.52, 307,187,846.54 and 122,126,433.57

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Solution

The fourth proportional to 222,598,651.52, 307,187,846.54 and 122,126,433.57 is: 168,535,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,598,651.52 : 307,187,846.54 = 122,126,433.57 : x
  2. Step 2: Convert to fraction form
    222,598,651.52/307,187,846.54 = 122,126,433.57/x
  3. Step 3: Cross multiply
    222,598,651.52x = 307,187,846.54 × 122,126,433.57
  4. Step 4: Simplify right side
    222,598,651.52x = 37,515,756,133,368,032
  5. Step 5: Solve for x
    x = 37,515,756,133,368,032/222,598,651.52
  6. Step 6: Final answer
    x = 168,535,415.10

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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.