Home / 53,277,282.40-79,883,561.68-20,890,383.04

Finding the Fourth Proportional to 53,277,282.40, 79,883,561.68 and 20,890,383.04

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Solution

The fourth proportional to 53,277,282.40, 79,883,561.68 and 20,890,383.04 is: 31,322,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277,282.40 : 79,883,561.68 = 20,890,383.04 : x
  2. Step 2: Convert to fraction form
    53,277,282.40/79,883,561.68 = 20,890,383.04/x
  3. Step 3: Cross multiply
    53,277,282.40x = 79,883,561.68 × 20,890,383.04
  4. Step 4: Simplify right side
    53,277,282.40x = 1,668,798,202,094,666
  5. Step 5: Solve for x
    x = 1,668,798,202,094,666/53,277,282.40
  6. Step 6: Final answer
    x = 31,322,885.23

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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.