Home / 320,412,322.38-442,177,699.37-181,203,901.50

Finding the Fourth Proportional to 320,412,322.38, 442,177,699.37 and 181,203,901.50

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Solution

The fourth proportional to 320,412,322.38, 442,177,699.37 and 181,203,901.50 is: 250,066,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,412,322.38 : 442,177,699.37 = 181,203,901.50 : x
  2. Step 2: Convert to fraction form
    320,412,322.38/442,177,699.37 = 181,203,901.50/x
  3. Step 3: Cross multiply
    320,412,322.38x = 442,177,699.37 × 181,203,901.50
  4. Step 4: Simplify right side
    320,412,322.38x = 80,124,324,281,232,080
  5. Step 5: Solve for x
    x = 80,124,324,281,232,080/320,412,322.38
  6. Step 6: Final answer
    x = 250,066,301.09

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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.