Home / 139,969,009.80-209,953,514.70-96,131,032.20

Finding the Fourth Proportional to 139,969,009.80, 209,953,514.70 and 96,131,032.20

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Solution

The fourth proportional to 139,969,009.80, 209,953,514.70 and 96,131,032.20 is: 144,196,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,009.80 : 209,953,514.70 = 96,131,032.20 : x
  2. Step 2: Convert to fraction form
    139,969,009.80/209,953,514.70 = 96,131,032.20/x
  3. Step 3: Cross multiply
    139,969,009.80x = 209,953,514.70 × 96,131,032.20
  4. Step 4: Simplify right side
    139,969,009.80x = 20,183,048,082,128,872
  5. Step 5: Solve for x
    x = 20,183,048,082,128,872/139,969,009.80
  6. Step 6: Final answer
    x = 144,196,548.30

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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.