Home / 68,977,645,544.28-103,483,943,824.23-21,173,078,575.56

Finding the Fourth Proportional to 68,977,645,544.28, 103,483,943,824.23 and 21,173,078,575.56

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Solution

The fourth proportional to 68,977,645,544.28, 103,483,943,824.23 and 21,173,078,575.56 is: 31,764,982,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,977,645,544.28 : 103,483,943,824.23 = 21,173,078,575.56 : x
  2. Step 2: Convert to fraction form
    68,977,645,544.28/103,483,943,824.23 = 21,173,078,575.56/x
  3. Step 3: Cross multiply
    68,977,645,544.28x = 103,483,943,824.23 × 21,173,078,575.56
  4. Step 4: Simplify right side
    68,977,645,544.28x = 2,191,073,673,899,258,937,344
  5. Step 5: Solve for x
    x = 2,191,073,673,899,258,937,344/68,977,645,544.28
  6. Step 6: Final answer
    x = 31,764,982,069.34

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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.