Finding the Fourth Proportional to 84,728,933.36, 116,916,572.44 and 47,550,686.52
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Solution
The fourth proportional to 84,728,933.36, 116,916,572.44 and 47,550,686.52 is: 65,614,696.95
Step by Step Solution
- Step 1: Write the proportion equation
84,728,933.36 : 116,916,572.44 = 47,550,686.52 : x - Step 2: Convert to fraction form
84,728,933.36/116,916,572.44 = 47,550,686.52/x - Step 3: Cross multiply
84,728,933.36x = 116,916,572.44 × 47,550,686.52 - Step 4: Simplify right side
84,728,933.36x = 5,559,463,285,087,312 - Step 5: Solve for x
x = 5,559,463,285,087,312/84,728,933.36 - Step 6: Final answer
x = 65,614,696.95
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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.