Home / 311,285,379.28-429,566,330.76-170,150,266.96

Finding the Fourth Proportional to 311,285,379.28, 429,566,330.76 and 170,150,266.96

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Solution

The fourth proportional to 311,285,379.28, 429,566,330.76 and 170,150,266.96 is: 234,803,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,285,379.28 : 429,566,330.76 = 170,150,266.96 : x
  2. Step 2: Convert to fraction form
    311,285,379.28/429,566,330.76 = 170,150,266.96/x
  3. Step 3: Cross multiply
    311,285,379.28x = 429,566,330.76 × 170,150,266.96
  4. Step 4: Simplify right side
    311,285,379.28x = 73,090,825,855,841,664
  5. Step 5: Solve for x
    x = 73,090,825,855,841,664/311,285,379.28
  6. Step 6: Final answer
    x = 234,803,272.88

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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.