Home / 243,998,107.87-336,727,043.57-136,708,355.72

Finding the Fourth Proportional to 243,998,107.87, 336,727,043.57 and 136,708,355.72

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Solution

The fourth proportional to 243,998,107.87, 336,727,043.57 and 136,708,355.72 is: 188,662,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,998,107.87 : 336,727,043.57 = 136,708,355.72 : x
  2. Step 2: Convert to fraction form
    243,998,107.87/336,727,043.57 = 136,708,355.72/x
  3. Step 3: Cross multiply
    243,998,107.87x = 336,727,043.57 × 136,708,355.72
  4. Step 4: Simplify right side
    243,998,107.87x = 46,033,400,454,178,888
  5. Step 5: Solve for x
    x = 46,033,400,454,178,888/243,998,107.87
  6. Step 6: Final answer
    x = 188,662,940.28

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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.