Home / 201,851,171.58-278,554,573.76-109,031,680.34

Finding the Fourth Proportional to 201,851,171.58, 278,554,573.76 and 109,031,680.34

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Solution

The fourth proportional to 201,851,171.58, 278,554,573.76 and 109,031,680.34 is: 150,463,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,851,171.58 : 278,554,573.76 = 109,031,680.34 : x
  2. Step 2: Convert to fraction form
    201,851,171.58/278,554,573.76 = 109,031,680.34/x
  3. Step 3: Cross multiply
    201,851,171.58x = 278,554,573.76 × 109,031,680.34
  4. Step 4: Simplify right side
    201,851,171.58x = 30,371,273,241,507,340
  5. Step 5: Solve for x
    x = 30,371,273,241,507,340/201,851,171.58
  6. Step 6: Final answer
    x = 150,463,695.62

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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.