Home / 261,649,405.16-361,059,907.30-144,168,161.03

Finding the Fourth Proportional to 261,649,405.16, 361,059,907.30 and 144,168,161.03

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Solution

The fourth proportional to 261,649,405.16, 361,059,907.30 and 144,168,161.03 is: 198,943,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,649,405.16 : 361,059,907.30 = 144,168,161.03 : x
  2. Step 2: Convert to fraction form
    261,649,405.16/361,059,907.30 = 144,168,161.03/x
  3. Step 3: Cross multiply
    261,649,405.16x = 361,059,907.30 × 144,168,161.03
  4. Step 4: Simplify right side
    261,649,405.16x = 52,053,342,857,645,504
  5. Step 5: Solve for x
    x = 52,053,342,857,645,504/261,649,405.16
  6. Step 6: Final answer
    x = 198,943,096.49

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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.