Home / 68,979,431,531.40-103,469,147,297.10-67,429,749,575.40

Finding the Fourth Proportional to 68,979,431,531.40, 103,469,147,297.10 and 67,429,749,575.40

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Solution

The fourth proportional to 68,979,431,531.40, 103,469,147,297.10 and 67,429,749,575.40 is: 101,144,624,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979,431,531.40 : 103,469,147,297.10 = 67,429,749,575.40 : x
  2. Step 2: Convert to fraction form
    68,979,431,531.40/103,469,147,297.10 = 67,429,749,575.40/x
  3. Step 3: Cross multiply
    68,979,431,531.40x = 103,469,147,297.10 × 67,429,749,575.40
  4. Step 4: Simplify right side
    68,979,431,531.40x = 6,976,898,691,023,629,189,120
  5. Step 5: Solve for x
    x = 6,976,898,691,023,629,189,120/68,979,431,531.40
  6. Step 6: Final answer
    x = 101,144,624,363.10

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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.