Home / 53,171,198.72-79,756,809.44-16,783,264.16

Finding the Fourth Proportional to 53,171,198.72, 79,756,809.44 and 16,783,264.16

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Solution

The fourth proportional to 53,171,198.72, 79,756,809.44 and 16,783,264.16 is: 25,174,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171,198.72 : 79,756,809.44 = 16,783,264.16 : x
  2. Step 2: Convert to fraction form
    53,171,198.72/79,756,809.44 = 16,783,264.16/x
  3. Step 3: Cross multiply
    53,171,198.72x = 79,756,809.44 × 16,783,264.16
  4. Step 4: Simplify right side
    53,171,198.72x = 1,338,579,601,390,301.75
  5. Step 5: Solve for x
    x = 1,338,579,601,390,301.75/53,171,198.72
  6. Step 6: Final answer
    x = 25,174,899.83

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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.