Home / 112,324,829.20-168,151,320.60-66,863,222.80

Finding the Fourth Proportional to 112,324,829.20, 168,151,320.60 and 66,863,222.80

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Solution

The fourth proportional to 112,324,829.20, 168,151,320.60 and 66,863,222.80 is: 100,094,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,324,829.20 : 168,151,320.60 = 66,863,222.80 : x
  2. Step 2: Convert to fraction form
    112,324,829.20/168,151,320.60 = 66,863,222.80/x
  3. Step 3: Cross multiply
    112,324,829.20x = 168,151,320.60 × 66,863,222.80
  4. Step 4: Simplify right side
    112,324,829.20x = 11,243,139,213,392,028
  5. Step 5: Solve for x
    x = 11,243,139,213,392,028/112,324,829.20
  6. Step 6: Final answer
    x = 100,094,870.33

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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.