Home / 151,112,939.20-226,291,495.20-120,879,851.20

Finding the Fourth Proportional to 151,112,939.20, 226,291,495.20 and 120,879,851.20

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Solution

The fourth proportional to 151,112,939.20, 226,291,495.20 and 120,879,851.20 is: 181,017,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,112,939.20 : 226,291,495.20 = 120,879,851.20 : x
  2. Step 2: Convert to fraction form
    151,112,939.20/226,291,495.20 = 120,879,851.20/x
  3. Step 3: Cross multiply
    151,112,939.20x = 226,291,495.20 × 120,879,851.20
  4. Step 4: Simplify right side
    151,112,939.20x = 27,354,082,267,601,512
  5. Step 5: Solve for x
    x = 27,354,082,267,601,512/151,112,939.20
  6. Step 6: Final answer
    x = 181,017,472.18

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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.