Home / 393,726,477.28-590,677,668.18-148,085,242.20

Finding the Fourth Proportional to 393,726,477.28, 590,677,668.18 and 148,085,242.20

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Solution

The fourth proportional to 393,726,477.28, 590,677,668.18 and 148,085,242.20 is: 222,160,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,726,477.28 : 590,677,668.18 = 148,085,242.20 : x
  2. Step 2: Convert to fraction form
    393,726,477.28/590,677,668.18 = 148,085,242.20/x
  3. Step 3: Cross multiply
    393,726,477.28x = 590,677,668.18 × 148,085,242.20
  4. Step 4: Simplify right side
    393,726,477.28x = 87,470,645,556,848,912
  5. Step 5: Solve for x
    x = 87,470,645,556,848,912/393,726,477.28
  6. Step 6: Final answer
    x = 222,160,943.20

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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.