Home / 117,716,860.57-162,478,099.09-91,202,770.85

Finding the Fourth Proportional to 117,716,860.57, 162,478,099.09 and 91,202,770.85

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Solution

The fourth proportional to 117,716,860.57, 162,478,099.09 and 91,202,770.85 is: 125,882,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,716,860.57 : 162,478,099.09 = 91,202,770.85 : x
  2. Step 2: Convert to fraction form
    117,716,860.57/162,478,099.09 = 91,202,770.85/x
  3. Step 3: Cross multiply
    117,716,860.57x = 162,478,099.09 × 91,202,770.85
  4. Step 4: Simplify right side
    117,716,860.57x = 14,818,452,838,992,850
  5. Step 5: Solve for x
    x = 14,818,452,838,992,850/117,716,860.57
  6. Step 6: Final answer
    x = 125,882,161.38

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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.