Home / 207,917,635.50-286,928,604.47-115,099,693.38

Finding the Fourth Proportional to 207,917,635.50, 286,928,604.47 and 115,099,693.38

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Solution

The fourth proportional to 207,917,635.50, 286,928,604.47 and 115,099,693.38 is: 158,838,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,917,635.50 : 286,928,604.47 = 115,099,693.38 : x
  2. Step 2: Convert to fraction form
    207,917,635.50/286,928,604.47 = 115,099,693.38/x
  3. Step 3: Cross multiply
    207,917,635.50x = 286,928,604.47 × 115,099,693.38
  4. Step 4: Simplify right side
    207,917,635.50x = 33,025,394,395,872,796
  5. Step 5: Solve for x
    x = 33,025,394,395,872,796/207,917,635.50
  6. Step 6: Final answer
    x = 158,838,832.10

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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.