Home / 311,635,225.26-430,057,029.51-170,519,703.66

Finding the Fourth Proportional to 311,635,225.26, 430,057,029.51 and 170,519,703.66

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Solution

The fourth proportional to 311,635,225.26, 430,057,029.51 and 170,519,703.66 is: 235,317,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,635,225.26 : 430,057,029.51 = 170,519,703.66 : x
  2. Step 2: Convert to fraction form
    311,635,225.26/430,057,029.51 = 170,519,703.66/x
  3. Step 3: Cross multiply
    311,635,225.26x = 430,057,029.51 × 170,519,703.66
  4. Step 4: Simplify right side
    311,635,225.26x = 73,333,197,228,945,072
  5. Step 5: Solve for x
    x = 73,333,197,228,945,072/311,635,225.26
  6. Step 6: Final answer
    x = 235,317,420.13

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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.