Home / 74,207,353,958.90-111,311,030,938.38-38,821,036,109.30

Finding the Fourth Proportional to 74,207,353,958.90, 111,311,030,938.38 and 38,821,036,109.30

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Solution

The fourth proportional to 74,207,353,958.90, 111,311,030,938.38 and 38,821,036,109.30 is: 58,231,554,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207,353,958.90 : 111,311,030,938.38 = 38,821,036,109.30 : x
  2. Step 2: Convert to fraction form
    74,207,353,958.90/111,311,030,938.38 = 38,821,036,109.30/x
  3. Step 3: Cross multiply
    74,207,353,958.90x = 111,311,030,938.38 × 38,821,036,109.30
  4. Step 4: Simplify right side
    74,207,353,958.90x = 4,321,209,551,422,259,986,432
  5. Step 5: Solve for x
    x = 4,321,209,551,422,259,986,432/74,207,353,958.90
  6. Step 6: Final answer
    x = 58,231,554,163.97

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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.