Home / 310,619,187.32-428,663,450.58-171,398,914.52

Finding the Fourth Proportional to 310,619,187.32, 428,663,450.58 and 171,398,914.52

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Solution

The fourth proportional to 310,619,187.32, 428,663,450.58 and 171,398,914.52 is: 236,535,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,619,187.32 : 428,663,450.58 = 171,398,914.52 : x
  2. Step 2: Convert to fraction form
    310,619,187.32/428,663,450.58 = 171,398,914.52/x
  3. Step 3: Cross multiply
    310,619,187.32x = 428,663,450.58 × 171,398,914.52
  4. Step 4: Simplify right side
    310,619,187.32x = 73,472,450,123,809,664
  5. Step 5: Solve for x
    x = 73,472,450,123,809,664/310,619,187.32
  6. Step 6: Final answer
    x = 236,535,452.81

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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.