Home / 310,674,494.31-428,739,891.57-169,554,766

Finding the Fourth Proportional to 310,674,494.31, 428,739,891.57 and 169,554,766

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Solution

The fourth proportional to 310,674,494.31, 428,739,891.57 and 169,554,766 is: 233,990,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,674,494.31 : 428,739,891.57 = 169,554,766 : x
  2. Step 2: Convert to fraction form
    310,674,494.31/428,739,891.57 = 169,554,766/x
  3. Step 3: Cross multiply
    310,674,494.31x = 428,739,891.57 × 169,554,766
  4. Step 4: Simplify right side
    310,674,494.31x = 72,694,891,990,016,720
  5. Step 5: Solve for x
    x = 72,694,891,990,016,720/310,674,494.31
  6. Step 6: Final answer
    x = 233,990,537.75

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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.