Home / 312,036,498.26-430,403,024.22-200,668,137.48

Finding the Fourth Proportional to 312,036,498.26, 430,403,024.22 and 200,668,137.48

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Solution

The fourth proportional to 312,036,498.26, 430,403,024.22 and 200,668,137.48 is: 276,788,688.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,036,498.26 : 430,403,024.22 = 200,668,137.48 : x
  2. Step 2: Convert to fraction form
    312,036,498.26/430,403,024.22 = 200,668,137.48/x
  3. Step 3: Cross multiply
    312,036,498.26x = 430,403,024.22 × 200,668,137.48
  4. Step 4: Simplify right side
    312,036,498.26x = 86,368,173,235,986,736
  5. Step 5: Solve for x
    x = 86,368,173,235,986,736/312,036,498.26
  6. Step 6: Final answer
    x = 276,788,688.88

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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.