Home / 139,969,010.80-209,953,516.20-96,131,033.20

Finding the Fourth Proportional to 139,969,010.80, 209,953,516.20 and 96,131,033.20

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Solution

The fourth proportional to 139,969,010.80, 209,953,516.20 and 96,131,033.20 is: 144,196,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,010.80 : 209,953,516.20 = 96,131,033.20 : x
  2. Step 2: Convert to fraction form
    139,969,010.80/209,953,516.20 = 96,131,033.20/x
  3. Step 3: Cross multiply
    139,969,010.80x = 209,953,516.20 × 96,131,033.20
  4. Step 4: Simplify right side
    139,969,010.80x = 20,183,048,436,278,936
  5. Step 5: Solve for x
    x = 20,183,048,436,278,936/139,969,010.80
  6. Step 6: Final answer
    x = 144,196,549.80

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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.