Home / 261,433,113.75-360,777,696.17-143,958,164.13

Finding the Fourth Proportional to 261,433,113.75, 360,777,696.17 and 143,958,164.13

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Solution

The fourth proportional to 261,433,113.75, 360,777,696.17 and 143,958,164.13 is: 198,662,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,433,113.75 : 360,777,696.17 = 143,958,164.13 : x
  2. Step 2: Convert to fraction form
    261,433,113.75/360,777,696.17 = 143,958,164.13/x
  3. Step 3: Cross multiply
    261,433,113.75x = 360,777,696.17 × 143,958,164.13
  4. Step 4: Simplify right side
    261,433,113.75x = 51,936,894,798,964,344
  5. Step 5: Solve for x
    x = 51,936,894,798,964,344/261,433,113.75
  6. Step 6: Final answer
    x = 198,662,266.05

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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.