Home / 121,895,516.50-182,870,371.68-57,164,821.72

Finding the Fourth Proportional to 121,895,516.50, 182,870,371.68 and 57,164,821.72

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Solution

The fourth proportional to 121,895,516.50, 182,870,371.68 and 57,164,821.72 is: 85,759,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,895,516.50 : 182,870,371.68 = 57,164,821.72 : x
  2. Step 2: Convert to fraction form
    121,895,516.50/182,870,371.68 = 57,164,821.72/x
  3. Step 3: Cross multiply
    121,895,516.50x = 182,870,371.68 × 57,164,821.72
  4. Step 4: Simplify right side
    121,895,516.50x = 10,453,752,194,957,338
  5. Step 5: Solve for x
    x = 10,453,752,194,957,338/121,895,516.50
  6. Step 6: Final answer
    x = 85,759,940.11

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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.