Home / 209,953,848.30-314,930,772.45-197,188,766.70

Finding the Fourth Proportional to 209,953,848.30, 314,930,772.45 and 197,188,766.70

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Solution

The fourth proportional to 209,953,848.30, 314,930,772.45 and 197,188,766.70 is: 295,783,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,848.30 : 314,930,772.45 = 197,188,766.70 : x
  2. Step 2: Convert to fraction form
    209,953,848.30/314,930,772.45 = 197,188,766.70/x
  3. Step 3: Cross multiply
    209,953,848.30x = 314,930,772.45 × 197,188,766.70
  4. Step 4: Simplify right side
    209,953,848.30x = 62,100,810,615,293,832
  5. Step 5: Solve for x
    x = 62,100,810,615,293,832/209,953,848.30
  6. Step 6: Final answer
    x = 295,783,150.05

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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.