Finding the Fourth Proportional to 55,164,354.52, 76,126,805.63 and 31,972,933.62
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Solution
The fourth proportional to 55,164,354.52, 76,126,805.63 and 31,972,933.62 is: 44,122,646.30
Step by Step Solution
- Step 1: Write the proportion equation
55,164,354.52 : 76,126,805.63 = 31,972,933.62 : x - Step 2: Convert to fraction form
55,164,354.52/76,126,805.63 = 31,972,933.62/x - Step 3: Cross multiply
55,164,354.52x = 76,126,805.63 × 31,972,933.62 - Step 4: Simplify right side
55,164,354.52x = 2,433,997,303,110,632 - Step 5: Solve for x
x = 2,433,997,303,110,632/55,164,354.52 - Step 6: Final answer
x = 44,122,646.30
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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.