Home / 52,432,450.72-78,631,672.54-20,082,631.84

Finding the Fourth Proportional to 52,432,450.72, 78,631,672.54 and 20,082,631.84

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Solution

The fourth proportional to 52,432,450.72, 78,631,672.54 and 20,082,631.84 is: 30,117,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432,450.72 : 78,631,672.54 = 20,082,631.84 : x
  2. Step 2: Convert to fraction form
    52,432,450.72/78,631,672.54 = 20,082,631.84/x
  3. Step 3: Cross multiply
    52,432,450.72x = 78,631,672.54 × 20,082,631.84
  4. Step 4: Simplify right side
    52,432,450.72x = 1,579,130,930,584,257.75
  5. Step 5: Solve for x
    x = 1,579,130,930,584,257.75/52,432,450.72
  6. Step 6: Final answer
    x = 30,117,435.08

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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.