Home / 52,917,689.20-79,320,546.60-20,557,087.60

Finding the Fourth Proportional to 52,917,689.20, 79,320,546.60 and 20,557,087.60

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Solution

The fourth proportional to 52,917,689.20, 79,320,546.60 and 20,557,087.60 is: 30,813,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,917,689.20 : 79,320,546.60 = 20,557,087.60 : x
  2. Step 2: Convert to fraction form
    52,917,689.20/79,320,546.60 = 20,557,087.60/x
  3. Step 3: Cross multiply
    52,917,689.20x = 79,320,546.60 × 20,557,087.60
  4. Step 4: Simplify right side
    52,917,689.20x = 1,630,599,424,936,082.25
  5. Step 5: Solve for x
    x = 1,630,599,424,936,082.25/52,917,689.20
  6. Step 6: Final answer
    x = 30,813,881.89

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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.