Home / 21,237,534,037.23-31,857,831,625.37-8,151,330,853.23

Finding the Fourth Proportional to 21,237,534,037.23, 31,857,831,625.37 and 8,151,330,853.23

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Solution

The fourth proportional to 21,237,534,037.23, 31,857,831,625.37 and 8,151,330,853.23 is: 12,227,583,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,237,534,037.23 : 31,857,831,625.37 = 8,151,330,853.23 : x
  2. Step 2: Convert to fraction form
    21,237,534,037.23/31,857,831,625.37 = 8,151,330,853.23/x
  3. Step 3: Cross multiply
    21,237,534,037.23x = 31,857,831,625.37 × 8,151,330,853.23
  4. Step 4: Simplify right side
    21,237,534,037.23x = 259,683,725,844,844,150,784
  5. Step 5: Solve for x
    x = 259,683,725,844,844,150,784/21,237,534,037.23
  6. Step 6: Final answer
    x = 12,227,583,738.75

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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.