Home / 431,042,252.70-646,563,379.05-124,344,371.10

Finding the Fourth Proportional to 431,042,252.70, 646,563,379.05 and 124,344,371.10

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Solution

The fourth proportional to 431,042,252.70, 646,563,379.05 and 124,344,371.10 is: 186,516,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,042,252.70 : 646,563,379.05 = 124,344,371.10 : x
  2. Step 2: Convert to fraction form
    431,042,252.70/646,563,379.05 = 124,344,371.10/x
  3. Step 3: Cross multiply
    431,042,252.70x = 646,563,379.05 × 124,344,371.10
  4. Step 4: Simplify right side
    431,042,252.70x = 80,396,516,744,263,152
  5. Step 5: Solve for x
    x = 80,396,516,744,263,152/431,042,252.70
  6. Step 6: Final answer
    x = 186,516,556.65

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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.