Home / 209,952,238.90-314,928,358.35-189,863,769.10

Finding the Fourth Proportional to 209,952,238.90, 314,928,358.35 and 189,863,769.10

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Solution

The fourth proportional to 209,952,238.90, 314,928,358.35 and 189,863,769.10 is: 284,795,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,238.90 : 314,928,358.35 = 189,863,769.10 : x
  2. Step 2: Convert to fraction form
    209,952,238.90/314,928,358.35 = 189,863,769.10/x
  3. Step 3: Cross multiply
    209,952,238.90x = 314,928,358.35 × 189,863,769.10
  4. Step 4: Simplify right side
    209,952,238.90x = 59,793,485,112,806,456
  5. Step 5: Solve for x
    x = 59,793,485,112,806,456/209,952,238.90
  6. Step 6: Final answer
    x = 284,795,653.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.