Home / 219,951,417.42-330,215,469.81-147,492,426.42

Finding the Fourth Proportional to 219,951,417.42, 330,215,469.81 and 147,492,426.42

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Solution

The fourth proportional to 219,951,417.42, 330,215,469.81 and 147,492,426.42 is: 221,431,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,951,417.42 : 330,215,469.81 = 147,492,426.42 : x
  2. Step 2: Convert to fraction form
    219,951,417.42/330,215,469.81 = 147,492,426.42/x
  3. Step 3: Cross multiply
    219,951,417.42x = 330,215,469.81 × 147,492,426.42
  4. Step 4: Simplify right side
    219,951,417.42x = 48,704,280,883,697,152
  5. Step 5: Solve for x
    x = 48,704,280,883,697,152/219,951,417.42
  6. Step 6: Final answer
    x = 221,431,993.73

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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.