Home / 221,284,807.20-331,927,210.80-113,789,383.20

Finding the Fourth Proportional to 221,284,807.20, 331,927,210.80 and 113,789,383.20

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Solution

The fourth proportional to 221,284,807.20, 331,927,210.80 and 113,789,383.20 is: 170,684,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,284,807.20 : 331,927,210.80 = 113,789,383.20 : x
  2. Step 2: Convert to fraction form
    221,284,807.20/331,927,210.80 = 113,789,383.20/x
  3. Step 3: Cross multiply
    221,284,807.20x = 331,927,210.80 × 113,789,383.20
  4. Step 4: Simplify right side
    221,284,807.20x = 37,769,792,584,228,384
  5. Step 5: Solve for x
    x = 37,769,792,584,228,384/221,284,807.20
  6. Step 6: Final answer
    x = 170,684,074.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.