Home / 120,835,940.10-181,253,910.15-108,742,704.90

Finding the Fourth Proportional to 120,835,940.10, 181,253,910.15 and 108,742,704.90

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Solution

The fourth proportional to 120,835,940.10, 181,253,910.15 and 108,742,704.90 is: 163,114,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,835,940.10 : 181,253,910.15 = 108,742,704.90 : x
  2. Step 2: Convert to fraction form
    120,835,940.10/181,253,910.15 = 108,742,704.90/x
  3. Step 3: Cross multiply
    120,835,940.10x = 181,253,910.15 × 108,742,704.90
  4. Step 4: Simplify right side
    120,835,940.10x = 19,710,040,463,412,568
  5. Step 5: Solve for x
    x = 19,710,040,463,412,568/120,835,940.10
  6. Step 6: Final answer
    x = 163,114,057.35

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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.