Home / 199,330,211.70-298,995,317.55-145,582,499.70

Finding the Fourth Proportional to 199,330,211.70, 298,995,317.55 and 145,582,499.70

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Solution

The fourth proportional to 199,330,211.70, 298,995,317.55 and 145,582,499.70 is: 218,373,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330,211.70 : 298,995,317.55 = 145,582,499.70 : x
  2. Step 2: Convert to fraction form
    199,330,211.70/298,995,317.55 = 145,582,499.70/x
  3. Step 3: Cross multiply
    199,330,211.70x = 298,995,317.55 × 145,582,499.70
  4. Step 4: Simplify right side
    199,330,211.70x = 43,528,485,727,524,280
  5. Step 5: Solve for x
    x = 43,528,485,727,524,280/199,330,211.70
  6. Step 6: Final answer
    x = 218,373,749.55

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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.