Home / 69,134,051.36-103,701,111.60-18,015,940.64

Finding the Fourth Proportional to 69,134,051.36, 103,701,111.60 and 18,015,940.64

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Solution

The fourth proportional to 69,134,051.36, 103,701,111.60 and 18,015,940.64 is: 27,023,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,134,051.36 : 103,701,111.60 = 18,015,940.64 : x
  2. Step 2: Convert to fraction form
    69,134,051.36/103,701,111.60 = 18,015,940.64/x
  3. Step 3: Cross multiply
    69,134,051.36x = 103,701,111.60 × 18,015,940.64
  4. Step 4: Simplify right side
    69,134,051.36x = 1,868,273,070,887,615.50
  5. Step 5: Solve for x
    x = 1,868,273,070,887,615.50/69,134,051.36
  6. Step 6: Final answer
    x = 27,023,919.97

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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.