Home / 217,394,846.40-325,879,693.20-194,436,595.20

Finding the Fourth Proportional to 217,394,846.40, 325,879,693.20 and 194,436,595.20

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Solution

The fourth proportional to 217,394,846.40, 325,879,693.20 and 194,436,595.20 is: 291,464,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,394,846.40 : 325,879,693.20 = 194,436,595.20 : x
  2. Step 2: Convert to fraction form
    217,394,846.40/325,879,693.20 = 194,436,595.20/x
  3. Step 3: Cross multiply
    217,394,846.40x = 325,879,693.20 × 194,436,595.20
  4. Step 4: Simplify right side
    217,394,846.40x = 63,362,937,990,628,584
  5. Step 5: Solve for x
    x = 63,362,937,990,628,584/217,394,846.40
  6. Step 6: Final answer
    x = 291,464,765.79

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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.