Home / 219,951,391.86-330,215,431.50-147,492,400.86

Finding the Fourth Proportional to 219,951,391.86, 330,215,431.50 and 147,492,400.86

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Solution

The fourth proportional to 219,951,391.86, 330,215,431.50 and 147,492,400.86 is: 221,431,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,951,391.86 : 330,215,431.50 = 147,492,400.86 : x
  2. Step 2: Convert to fraction form
    219,951,391.86/330,215,431.50 = 147,492,400.86/x
  3. Step 3: Cross multiply
    219,951,391.86x = 330,215,431.50 × 147,492,400.86
  4. Step 4: Simplify right side
    219,951,391.86x = 48,704,266,792,955,872
  5. Step 5: Solve for x
    x = 48,704,266,792,955,872/219,951,391.86
  6. Step 6: Final answer
    x = 221,431,955.40

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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.