Home / 165,995,474.40-248,993,211.60-85,373,906.40

Finding the Fourth Proportional to 165,995,474.40, 248,993,211.60 and 85,373,906.40

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Solution

The fourth proportional to 165,995,474.40, 248,993,211.60 and 85,373,906.40 is: 128,060,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,995,474.40 : 248,993,211.60 = 85,373,906.40 : x
  2. Step 2: Convert to fraction form
    165,995,474.40/248,993,211.60 = 85,373,906.40/x
  3. Step 3: Cross multiply
    165,995,474.40x = 248,993,211.60 × 85,373,906.40
  4. Step 4: Simplify right side
    165,995,474.40x = 21,257,523,141,373,796
  5. Step 5: Solve for x
    x = 21,257,523,141,373,796/165,995,474.40
  6. Step 6: Final answer
    x = 128,060,859.60

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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.