Home / 324,771,112.10-487,156,668.15-221,458,981.70

Finding the Fourth Proportional to 324,771,112.10, 487,156,668.15 and 221,458,981.70

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Solution

The fourth proportional to 324,771,112.10, 487,156,668.15 and 221,458,981.70 is: 332,188,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,771,112.10 : 487,156,668.15 = 221,458,981.70 : x
  2. Step 2: Convert to fraction form
    324,771,112.10/487,156,668.15 = 221,458,981.70/x
  3. Step 3: Cross multiply
    324,771,112.10x = 487,156,668.15 × 221,458,981.70
  4. Step 4: Simplify right side
    324,771,112.10x = 107,885,219,656,863,808
  5. Step 5: Solve for x
    x = 107,885,219,656,863,808/324,771,112.10
  6. Step 6: Final answer
    x = 332,188,472.55

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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.