Home / 342,145,121.60-513,217,682.40-206,096,225.60

Finding the Fourth Proportional to 342,145,121.60, 513,217,682.40 and 206,096,225.60

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Solution

The fourth proportional to 342,145,121.60, 513,217,682.40 and 206,096,225.60 is: 309,144,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,145,121.60 : 513,217,682.40 = 206,096,225.60 : x
  2. Step 2: Convert to fraction form
    342,145,121.60/513,217,682.40 = 206,096,225.60/x
  3. Step 3: Cross multiply
    342,145,121.60x = 513,217,682.40 × 206,096,225.60
  4. Step 4: Simplify right side
    342,145,121.60x = 105,772,227,253,819,536
  5. Step 5: Solve for x
    x = 105,772,227,253,819,536/342,145,121.60
  6. Step 6: Final answer
    x = 309,144,338.40

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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.