Home / 310,674,494.43-428,739,891.75-169,554,766.14

Finding the Fourth Proportional to 310,674,494.43, 428,739,891.75 and 169,554,766.14

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Solution

The fourth proportional to 310,674,494.43, 428,739,891.75 and 169,554,766.14 is: 233,990,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,674,494.43 : 428,739,891.75 = 169,554,766.14 : x
  2. Step 2: Convert to fraction form
    310,674,494.43/428,739,891.75 = 169,554,766.14/x
  3. Step 3: Cross multiply
    310,674,494.43x = 428,739,891.75 × 169,554,766.14
  4. Step 4: Simplify right side
    310,674,494.43x = 72,694,892,080,560,160
  5. Step 5: Solve for x
    x = 72,694,892,080,560,160/310,674,494.43
  6. Step 6: Final answer
    x = 233,990,537.95

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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.