Home / 229,942,449.73-317,278,723.57-129,455,260.40

Finding the Fourth Proportional to 229,942,449.73, 317,278,723.57 and 129,455,260.40

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Solution

The fourth proportional to 229,942,449.73, 317,278,723.57 and 129,455,260.40 is: 178,624,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,942,449.73 : 317,278,723.57 = 129,455,260.40 : x
  2. Step 2: Convert to fraction form
    229,942,449.73/317,278,723.57 = 129,455,260.40/x
  3. Step 3: Cross multiply
    229,942,449.73x = 317,278,723.57 × 129,455,260.40
  4. Step 4: Simplify right side
    229,942,449.73x = 41,073,399,778,917,440
  5. Step 5: Solve for x
    x = 41,073,399,778,917,440/229,942,449.73
  6. Step 6: Final answer
    x = 178,624,694.25

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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.