Home / 70,738,986.75-97,618,801.78-39,799,082.22

Finding the Fourth Proportional to 70,738,986.75, 97,618,801.78 and 39,799,082.22

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Solution

The fourth proportional to 70,738,986.75, 97,618,801.78 and 39,799,082.22 is: 54,922,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738,986.75 : 97,618,801.78 = 39,799,082.22 : x
  2. Step 2: Convert to fraction form
    70,738,986.75/97,618,801.78 = 39,799,082.22/x
  3. Step 3: Cross multiply
    70,738,986.75x = 97,618,801.78 × 39,799,082.22
  4. Step 4: Simplify right side
    70,738,986.75x = 3,885,138,718,260,102.50
  5. Step 5: Solve for x
    x = 3,885,138,718,260,102.50/70,738,986.75
  6. Step 6: Final answer
    x = 54,922,170.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.