Home / 199,359,921.60-299,173,629.60-69,967,281.60

Finding the Fourth Proportional to 199,359,921.60, 299,173,629.60 and 69,967,281.60

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Solution

The fourth proportional to 199,359,921.60, 299,173,629.60 and 69,967,281.60 is: 104,997,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,359,921.60 : 299,173,629.60 = 69,967,281.60 : x
  2. Step 2: Convert to fraction form
    199,359,921.60/299,173,629.60 = 69,967,281.60/x
  3. Step 3: Cross multiply
    199,359,921.60x = 299,173,629.60 × 69,967,281.60
  4. Step 4: Simplify right side
    199,359,921.60x = 20,932,365,589,517,296
  5. Step 5: Solve for x
    x = 20,932,365,589,517,296/199,359,921.60
  6. Step 6: Final answer
    x = 104,997,862.27

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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.