Home / 199,173,830.40-298,760,745.60-165,161,606.40

Finding the Fourth Proportional to 199,173,830.40, 298,760,745.60 and 165,161,606.40

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Solution

The fourth proportional to 199,173,830.40, 298,760,745.60 and 165,161,606.40 is: 247,742,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,173,830.40 : 298,760,745.60 = 165,161,606.40 : x
  2. Step 2: Convert to fraction form
    199,173,830.40/298,760,745.60 = 165,161,606.40/x
  3. Step 3: Cross multiply
    199,173,830.40x = 298,760,745.60 × 165,161,606.40
  4. Step 4: Simplify right side
    199,173,830.40x = 49,343,804,672,557,736
  5. Step 5: Solve for x
    x = 49,343,804,672,557,736/199,173,830.40
  6. Step 6: Final answer
    x = 247,742,409.60

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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.