Home / 49,534,513.20-74,301,769.80-13,632,721.20

Finding the Fourth Proportional to 49,534,513.20, 74,301,769.80 and 13,632,721.20

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Solution

The fourth proportional to 49,534,513.20, 74,301,769.80 and 13,632,721.20 is: 20,449,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,534,513.20 : 74,301,769.80 = 13,632,721.20 : x
  2. Step 2: Convert to fraction form
    49,534,513.20/74,301,769.80 = 13,632,721.20/x
  3. Step 3: Cross multiply
    49,534,513.20x = 74,301,769.80 × 13,632,721.20
  4. Step 4: Simplify right side
    49,534,513.20x = 1,012,935,312,349,979.62
  5. Step 5: Solve for x
    x = 1,012,935,312,349,979.62/49,534,513.20
  6. Step 6: Final answer
    x = 20,449,081.80

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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.