Home / 230,485,122.95-317,868,456.04-163,371,333.56

Finding the Fourth Proportional to 230,485,122.95, 317,868,456.04 and 163,371,333.56

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Solution

The fourth proportional to 230,485,122.95, 317,868,456.04 and 163,371,333.56 is: 225,309,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,485,122.95 : 317,868,456.04 = 163,371,333.56 : x
  2. Step 2: Convert to fraction form
    230,485,122.95/317,868,456.04 = 163,371,333.56/x
  3. Step 3: Cross multiply
    230,485,122.95x = 317,868,456.04 × 163,371,333.56
  4. Step 4: Simplify right side
    230,485,122.95x = 51,930,593,557,915,272
  5. Step 5: Solve for x
    x = 51,930,593,557,915,272/230,485,122.95
  6. Step 6: Final answer
    x = 225,309,958.81

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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.