Home / 213,890,317.31-320,797,550.73-97,278,359.20

Finding the Fourth Proportional to 213,890,317.31, 320,797,550.73 and 97,278,359.20

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Solution

The fourth proportional to 213,890,317.31, 320,797,550.73 and 97,278,359.20 is: 145,900,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890,317.31 : 320,797,550.73 = 97,278,359.20 : x
  2. Step 2: Convert to fraction form
    213,890,317.31/320,797,550.73 = 97,278,359.20/x
  3. Step 3: Cross multiply
    213,890,317.31x = 320,797,550.73 × 97,278,359.20
  4. Step 4: Simplify right side
    213,890,317.31x = 31,206,659,371,919,492
  5. Step 5: Solve for x
    x = 31,206,659,371,919,492/213,890,317.31
  6. Step 6: Final answer
    x = 145,900,290.23

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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.