Home / 206,591,794.28-285,087,465.06-118,422,569.96

Finding the Fourth Proportional to 206,591,794.28, 285,087,465.06 and 118,422,569.96

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Solution

The fourth proportional to 206,591,794.28, 285,087,465.06 and 118,422,569.96 is: 163,417,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,591,794.28 : 285,087,465.06 = 118,422,569.96 : x
  2. Step 2: Convert to fraction form
    206,591,794.28/285,087,465.06 = 118,422,569.96/x
  3. Step 3: Cross multiply
    206,591,794.28x = 285,087,465.06 × 118,422,569.96
  4. Step 4: Simplify right side
    206,591,794.28x = 33,760,790,275,786,904
  5. Step 5: Solve for x
    x = 33,760,790,275,786,904/206,591,794.28
  6. Step 6: Final answer
    x = 163,417,866.59

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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.