Home / 201,795,209.55-278,477,386.63-108,975,709.19

Finding the Fourth Proportional to 201,795,209.55, 278,477,386.63 and 108,975,709.19

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Solution

The fourth proportional to 201,795,209.55, 278,477,386.63 and 108,975,709.19 is: 150,386,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,795,209.55 : 278,477,386.63 = 108,975,709.19 : x
  2. Step 2: Convert to fraction form
    201,795,209.55/278,477,386.63 = 108,975,709.19/x
  3. Step 3: Cross multiply
    201,795,209.55x = 278,477,386.63 × 108,975,709.19
  4. Step 4: Simplify right side
    201,795,209.55x = 30,347,270,701,805,828
  5. Step 5: Solve for x
    x = 30,347,270,701,805,828/201,795,209.55
  6. Step 6: Final answer
    x = 150,386,477.31

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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.