Home / 310,674,507.93-428,739,910.38-169,554,779.64

Finding the Fourth Proportional to 310,674,507.93, 428,739,910.38 and 169,554,779.64

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Solution

The fourth proportional to 310,674,507.93, 428,739,910.38 and 169,554,779.64 is: 233,990,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,674,507.93 : 428,739,910.38 = 169,554,779.64 : x
  2. Step 2: Convert to fraction form
    310,674,507.93/428,739,910.38 = 169,554,779.64/x
  3. Step 3: Cross multiply
    310,674,507.93x = 428,739,910.38 × 169,554,779.64
  4. Step 4: Simplify right side
    310,674,507.93x = 72,694,901,027,354,240
  5. Step 5: Solve for x
    x = 72,694,901,027,354,240/310,674,507.93
  6. Step 6: Final answer
    x = 233,990,556.59

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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.