Finding the Fourth Proportional to 76,845,736.08, 115,260,085.08 and 19,338,022.80
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Solution
The fourth proportional to 76,845,736.08, 115,260,085.08 and 19,338,022.80 is: 29,004,890.41
Step by Step Solution
- Step 1: Write the proportion equation
76,845,736.08 : 115,260,085.08 = 19,338,022.80 : x - Step 2: Convert to fraction form
76,845,736.08/115,260,085.08 = 19,338,022.80/x - Step 3: Cross multiply
76,845,736.08x = 115,260,085.08 × 19,338,022.80 - Step 4: Simplify right side
76,845,736.08x = 2,228,902,153,206,980 - Step 5: Solve for x
x = 2,228,902,153,206,980/76,845,736.08 - Step 6: Final answer
x = 29,004,890.41
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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.