Finding the Fourth Proportional to 165,203,934.09, 228,214,559.75 and 132,382,215.69
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Solution
The fourth proportional to 165,203,934.09, 228,214,559.75 and 132,382,215.69 is: 182,874,271.36
Step by Step Solution
- Step 1: Write the proportion equation
165,203,934.09 : 228,214,559.75 = 132,382,215.69 : x - Step 2: Convert to fraction form
165,203,934.09/228,214,559.75 = 132,382,215.69/x - Step 3: Cross multiply
165,203,934.09x = 228,214,559.75 × 132,382,215.69 - Step 4: Simplify right side
165,203,934.09x = 30,211,549,071,760,980 - Step 5: Solve for x
x = 30,211,549,071,760,980/165,203,934.09 - Step 6: Final answer
x = 182,874,271.36
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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.