Home / 311,446,135.65-467,195,775.54-81,414,851.25

Finding the Fourth Proportional to 311,446,135.65, 467,195,775.54 and 81,414,851.25

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Solution

The fourth proportional to 311,446,135.65, 467,195,775.54 and 81,414,851.25 is: 122,129,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,446,135.65 : 467,195,775.54 = 81,414,851.25 : x
  2. Step 2: Convert to fraction form
    311,446,135.65/467,195,775.54 = 81,414,851.25/x
  3. Step 3: Cross multiply
    311,446,135.65x = 467,195,775.54 × 81,414,851.25
  4. Step 4: Simplify right side
    311,446,135.65x = 38,036,674,570,217,488
  5. Step 5: Solve for x
    x = 38,036,674,570,217,488/311,446,135.65
  6. Step 6: Final answer
    x = 122,129,223.05

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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.