Home / 111,966,183.73-154,441,203.59-74,288,532.20

Finding the Fourth Proportional to 111,966,183.73, 154,441,203.59 and 74,288,532.20

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Solution

The fourth proportional to 111,966,183.73, 154,441,203.59 and 74,288,532.20 is: 102,470,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966,183.73 : 154,441,203.59 = 74,288,532.20 : x
  2. Step 2: Convert to fraction form
    111,966,183.73/154,441,203.59 = 74,288,532.20/x
  3. Step 3: Cross multiply
    111,966,183.73x = 154,441,203.59 × 74,288,532.20
  4. Step 4: Simplify right side
    111,966,183.73x = 11,473,210,325,531,030
  5. Step 5: Solve for x
    x = 11,473,210,325,531,030/111,966,183.73
  6. Step 6: Final answer
    x = 102,470,316.87

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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.