Home / 207,917,635.84-286,928,604.94-115,099,693.72

Finding the Fourth Proportional to 207,917,635.84, 286,928,604.94 and 115,099,693.72

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Solution

The fourth proportional to 207,917,635.84, 286,928,604.94 and 115,099,693.72 is: 158,838,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,917,635.84 : 286,928,604.94 = 115,099,693.72 : x
  2. Step 2: Convert to fraction form
    207,917,635.84/286,928,604.94 = 115,099,693.72/x
  3. Step 3: Cross multiply
    207,917,635.84x = 286,928,604.94 × 115,099,693.72
  4. Step 4: Simplify right side
    207,917,635.84x = 33,025,394,548,100,880
  5. Step 5: Solve for x
    x = 33,025,394,548,100,880/207,917,635.84
  6. Step 6: Final answer
    x = 158,838,832.57

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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.