Home / 31,218,191.38-43,082,257.56-17,090,368.21

Finding the Fourth Proportional to 31,218,191.38, 43,082,257.56 and 17,090,368.21

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Solution

The fourth proportional to 31,218,191.38, 43,082,257.56 and 17,090,368.21 is: 23,585,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218,191.38 : 43,082,257.56 = 17,090,368.21 : x
  2. Step 2: Convert to fraction form
    31,218,191.38/43,082,257.56 = 17,090,368.21/x
  3. Step 3: Cross multiply
    31,218,191.38x = 43,082,257.56 × 17,090,368.21
  4. Step 4: Simplify right side
    31,218,191.38x = 736,291,644,803,044.88
  5. Step 5: Solve for x
    x = 736,291,644,803,044.88/31,218,191.38
  6. Step 6: Final answer
    x = 23,585,339.58

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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.