Home / 31,192,990.11-43,043,012.55-17,252,130.20

Finding the Fourth Proportional to 31,192,990.11, 43,043,012.55 and 17,252,130.20

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Solution

The fourth proportional to 31,192,990.11, 43,043,012.55 and 17,252,130.20 is: 23,806,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192,990.11 : 43,043,012.55 = 17,252,130.20 : x
  2. Step 2: Convert to fraction form
    31,192,990.11/43,043,012.55 = 17,252,130.20/x
  3. Step 3: Cross multiply
    31,192,990.11x = 43,043,012.55 × 17,252,130.20
  4. Step 4: Simplify right side
    31,192,990.11x = 742,583,656,497,618.88
  5. Step 5: Solve for x
    x = 742,583,656,497,618.88/31,192,990.11
  6. Step 6: Final answer
    x = 23,806,106.88

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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.