Home / 201,795,142.22-278,477,293.50-108,975,647.34

Finding the Fourth Proportional to 201,795,142.22, 278,477,293.50 and 108,975,647.34

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Solution

The fourth proportional to 201,795,142.22, 278,477,293.50 and 108,975,647.34 is: 150,386,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,795,142.22 : 278,477,293.50 = 108,975,647.34 : x
  2. Step 2: Convert to fraction form
    201,795,142.22/278,477,293.50 = 108,975,647.34/x
  3. Step 3: Cross multiply
    201,795,142.22x = 278,477,293.50 × 108,975,647.34
  4. Step 4: Simplify right side
    201,795,142.22x = 30,347,243,328,653,676
  5. Step 5: Solve for x
    x = 30,347,243,328,653,676/201,795,142.22
  6. Step 6: Final answer
    x = 150,386,391.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.