Home / 213,650,827.20-320,431,395.12-60,261,012.24

Finding the Fourth Proportional to 213,650,827.20, 320,431,395.12 and 60,261,012.24

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Solution

The fourth proportional to 213,650,827.20, 320,431,395.12 and 60,261,012.24 is: 90,378,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,650,827.20 : 320,431,395.12 = 60,261,012.24 : x
  2. Step 2: Convert to fraction form
    213,650,827.20/320,431,395.12 = 60,261,012.24/x
  3. Step 3: Cross multiply
    213,650,827.20x = 320,431,395.12 × 60,261,012.24
  4. Step 4: Simplify right side
    213,650,827.20x = 19,309,520,223,406,596
  5. Step 5: Solve for x
    x = 19,309,520,223,406,596/213,650,827.20
  6. Step 6: Final answer
    x = 90,378,869.47

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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.