Finding the Fourth Proportional to 88,494,973.81, 122,084,321.75 and 84,392,083.19
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Solution
The fourth proportional to 88,494,973.81, 122,084,321.75 and 84,392,083.19 is: 116,424,128.89
Step by Step Solution
- Step 1: Write the proportion equation
88,494,973.81 : 122,084,321.75 = 84,392,083.19 : x - Step 2: Convert to fraction form
88,494,973.81/122,084,321.75 = 84,392,083.19/x - Step 3: Cross multiply
88,494,973.81x = 122,084,321.75 × 84,392,083.19 - Step 4: Simplify right side
88,494,973.81x = 10,302,950,237,067,838 - Step 5: Solve for x
x = 10,302,950,237,067,838/88,494,973.81 - Step 6: Final answer
x = 116,424,128.89
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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.