Home / 311,571,231.03-429,941,514.20-172,307,328.39

Finding the Fourth Proportional to 311,571,231.03, 429,941,514.20 and 172,307,328.39

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Solution

The fourth proportional to 311,571,231.03, 429,941,514.20 and 172,307,328.39 is: 237,769,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,571,231.03 : 429,941,514.20 = 172,307,328.39 : x
  2. Step 2: Convert to fraction form
    311,571,231.03/429,941,514.20 = 172,307,328.39/x
  3. Step 3: Cross multiply
    311,571,231.03x = 429,941,514.20 × 172,307,328.39
  4. Step 4: Simplify right side
    311,571,231.03x = 74,082,073,674,891,712
  5. Step 5: Solve for x
    x = 74,082,073,674,891,712/311,571,231.03
  6. Step 6: Final answer
    x = 237,769,300.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.