Home / 219,322,864.80-329,110,268.40-83,106,007.20

Finding the Fourth Proportional to 219,322,864.80, 329,110,268.40 and 83,106,007.20

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Solution

The fourth proportional to 219,322,864.80, 329,110,268.40 and 83,106,007.20 is: 124,706,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,322,864.80 : 329,110,268.40 = 83,106,007.20 : x
  2. Step 2: Convert to fraction form
    219,322,864.80/329,110,268.40 = 83,106,007.20/x
  3. Step 3: Cross multiply
    219,322,864.80x = 329,110,268.40 × 83,106,007.20
  4. Step 4: Simplify right side
    219,322,864.80x = 27,351,040,335,244,332
  5. Step 5: Solve for x
    x = 27,351,040,335,244,332/219,322,864.80
  6. Step 6: Final answer
    x = 124,706,743.91

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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.