Home / 131,068,968.60-196,603,452.90-54,384,000.60

Finding the Fourth Proportional to 131,068,968.60, 196,603,452.90 and 54,384,000.60

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Solution

The fourth proportional to 131,068,968.60, 196,603,452.90 and 54,384,000.60 is: 81,576,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,068,968.60 : 196,603,452.90 = 54,384,000.60 : x
  2. Step 2: Convert to fraction form
    131,068,968.60/196,603,452.90 = 54,384,000.60/x
  3. Step 3: Cross multiply
    131,068,968.60x = 196,603,452.90 × 54,384,000.60
  4. Step 4: Simplify right side
    131,068,968.60x = 10,692,082,300,475,672
  5. Step 5: Solve for x
    x = 10,692,082,300,475,672/131,068,968.60
  6. Step 6: Final answer
    x = 81,576,000.90

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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.