Home / 69,192,128,742.26-103,777,706,428.32-18,831,486,925.82

Finding the Fourth Proportional to 69,192,128,742.26, 103,777,706,428.32 and 18,831,486,925.82

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Solution

The fourth proportional to 69,192,128,742.26, 103,777,706,428.32 and 18,831,486,925.82 is: 28,244,376,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192,128,742.26 : 103,777,706,428.32 = 18,831,486,925.82 : x
  2. Step 2: Convert to fraction form
    69,192,128,742.26/103,777,706,428.32 = 18,831,486,925.82/x
  3. Step 3: Cross multiply
    69,192,128,742.26x = 103,777,706,428.32 × 18,831,486,925.82
  4. Step 4: Simplify right side
    69,192,128,742.26x = 1,954,288,521,796,494,295,040
  5. Step 5: Solve for x
    x = 1,954,288,521,796,494,295,040/69,192,128,742.26
  6. Step 6: Final answer
    x = 28,244,376,308.70

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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.