Home / 324,830,485.40-487,245,728.10-161,004,939.80

Finding the Fourth Proportional to 324,830,485.40, 487,245,728.10 and 161,004,939.80

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Solution

The fourth proportional to 324,830,485.40, 487,245,728.10 and 161,004,939.80 is: 241,507,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,830,485.40 : 487,245,728.10 = 161,004,939.80 : x
  2. Step 2: Convert to fraction form
    324,830,485.40/487,245,728.10 = 161,004,939.80/x
  3. Step 3: Cross multiply
    324,830,485.40x = 487,245,728.10 × 161,004,939.80
  4. Step 4: Simplify right side
    324,830,485.40x = 78,448,969,120,547,680
  5. Step 5: Solve for x
    x = 78,448,969,120,547,680/324,830,485.40
  6. Step 6: Final answer
    x = 241,507,409.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.