Home / 53,757,986.20-80,636,979.30-19,668,002.20

Finding the Fourth Proportional to 53,757,986.20, 80,636,979.30 and 19,668,002.20

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Solution

The fourth proportional to 53,757,986.20, 80,636,979.30 and 19,668,002.20 is: 29,502,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,757,986.20 : 80,636,979.30 = 19,668,002.20 : x
  2. Step 2: Convert to fraction form
    53,757,986.20/80,636,979.30 = 19,668,002.20/x
  3. Step 3: Cross multiply
    53,757,986.20x = 80,636,979.30 × 19,668,002.20
  4. Step 4: Simplify right side
    53,757,986.20x = 1,585,968,286,273,754.25
  5. Step 5: Solve for x
    x = 1,585,968,286,273,754.25/53,757,986.20
  6. Step 6: Final answer
    x = 29,502,003.30

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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.