Finding the Fourth Proportional to 84,555,085.80, 126,801,518.52 and 29,208,840.84
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Solution
The fourth proportional to 84,555,085.80, 126,801,518.52 and 29,208,840.84 is: 43,802,514.51
Step by Step Solution
- Step 1: Write the proportion equation
84,555,085.80 : 126,801,518.52 = 29,208,840.84 : x - Step 2: Convert to fraction form
84,555,085.80/126,801,518.52 = 29,208,840.84/x - Step 3: Cross multiply
84,555,085.80x = 126,801,518.52 × 29,208,840.84 - Step 4: Simplify right side
84,555,085.80x = 3,703,725,372,720,992 - Step 5: Solve for x
x = 3,703,725,372,720,992/84,555,085.80 - Step 6: Final answer
x = 43,802,514.51
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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.