Home / 111,977,071.20-167,940,399.60-40,173,487.20

Finding the Fourth Proportional to 111,977,071.20, 167,940,399.60 and 40,173,487.20

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Solution

The fourth proportional to 111,977,071.20, 167,940,399.60 and 40,173,487.20 is: 60,251,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,977,071.20 : 167,940,399.60 = 40,173,487.20 : x
  2. Step 2: Convert to fraction form
    111,977,071.20/167,940,399.60 = 40,173,487.20/x
  3. Step 3: Cross multiply
    111,977,071.20x = 167,940,399.60 × 40,173,487.20
  4. Step 4: Simplify right side
    111,977,071.20x = 6,746,751,493,693,485
  5. Step 5: Solve for x
    x = 6,746,751,493,693,485/111,977,071.20
  6. Step 6: Final answer
    x = 60,251,187.33

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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.