Home / 201,795,149.25-278,477,303.18-108,975,654.36

Finding the Fourth Proportional to 201,795,149.25, 278,477,303.18 and 108,975,654.36

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Solution

The fourth proportional to 201,795,149.25, 278,477,303.18 and 108,975,654.36 is: 150,386,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,795,149.25 : 278,477,303.18 = 108,975,654.36 : x
  2. Step 2: Convert to fraction form
    201,795,149.25/278,477,303.18 = 108,975,654.36/x
  3. Step 3: Cross multiply
    201,795,149.25x = 278,477,303.18 × 108,975,654.36
  4. Step 4: Simplify right side
    201,795,149.25x = 30,347,246,337,903,732
  5. Step 5: Solve for x
    x = 30,347,246,337,903,732/201,795,149.25
  6. Step 6: Final answer
    x = 150,386,401.51

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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.