Home / 311,157,343.68-466,786,668.48-145,326,678.57

Finding the Fourth Proportional to 311,157,343.68, 466,786,668.48 and 145,326,678.57

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Solution

The fourth proportional to 311,157,343.68, 466,786,668.48 and 145,326,678.57 is: 218,013,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,157,343.68 : 466,786,668.48 = 145,326,678.57 : x
  2. Step 2: Convert to fraction form
    311,157,343.68/466,786,668.48 = 145,326,678.57/x
  3. Step 3: Cross multiply
    311,157,343.68x = 466,786,668.48 × 145,326,678.57
  4. Step 4: Simplify right side
    311,157,343.68x = 67,836,556,130,954,112
  5. Step 5: Solve for x
    x = 67,836,556,130,954,112/311,157,343.68
  6. Step 6: Final answer
    x = 218,013,675.42

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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.