Home / 188,013,163.26-259,459,104.51-117,489,725.13

Finding the Fourth Proportional to 188,013,163.26, 259,459,104.51 and 117,489,725.13

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Solution

The fourth proportional to 188,013,163.26, 259,459,104.51 and 117,489,725.13 is: 162,136,407.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,013,163.26 : 259,459,104.51 = 117,489,725.13 : x
  2. Step 2: Convert to fraction form
    188,013,163.26/259,459,104.51 = 117,489,725.13/x
  3. Step 3: Cross multiply
    188,013,163.26x = 259,459,104.51 × 117,489,725.13
  4. Step 4: Simplify right side
    188,013,163.26x = 30,483,778,871,355,840
  5. Step 5: Solve for x
    x = 30,483,778,871,355,840/188,013,163.26
  6. Step 6: Final answer
    x = 162,136,407.59

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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.