Home / 74,588,622,205.34-111,883,821,156.99-20,802,485,314.67

Finding the Fourth Proportional to 74,588,622,205.34, 111,883,821,156.99 and 20,802,485,314.67

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Solution

The fourth proportional to 74,588,622,205.34, 111,883,821,156.99 and 20,802,485,314.67 is: 31,203,975,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,588,622,205.34 : 111,883,821,156.99 = 20,802,485,314.67 : x
  2. Step 2: Convert to fraction form
    74,588,622,205.34/111,883,821,156.99 = 20,802,485,314.67/x
  3. Step 3: Cross multiply
    74,588,622,205.34x = 111,883,821,156.99 × 20,802,485,314.67
  4. Step 4: Simplify right side
    74,588,622,205.34x = 2,327,461,546,567,784,988,672
  5. Step 5: Solve for x
    x = 2,327,461,546,567,784,988,672/74,588,622,205.34
  6. Step 6: Final answer
    x = 31,203,975,589.74

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1.5x scale

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.