Home / 261,491,425.82-360,850,797.11-142,411,330.23

Finding the Fourth Proportional to 261,491,425.82, 360,850,797.11 and 142,411,330.23

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Solution

The fourth proportional to 261,491,425.82, 360,850,797.11 and 142,411,330.23 is: 196,523,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,491,425.82 : 360,850,797.11 = 142,411,330.23 : x
  2. Step 2: Convert to fraction form
    261,491,425.82/360,850,797.11 = 142,411,330.23/x
  3. Step 3: Cross multiply
    261,491,425.82x = 360,850,797.11 × 142,411,330.23
  4. Step 4: Simplify right side
    261,491,425.82x = 51,389,242,030,990,936
  5. Step 5: Solve for x
    x = 51,389,242,030,990,936/261,491,425.82
  6. Step 6: Final answer
    x = 196,523,621.64

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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.