Finding the Fourth Proportional to 81,542,786, 112,529,062.96 and 44,873,356.96
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Solution
The fourth proportional to 81,542,786, 112,529,062.96 and 44,873,356.96 is: 61,925,242.66
Step by Step Solution
- Step 1: Write the proportion equation
81,542,786 : 112,529,062.96 = 44,873,356.96 : x - Step 2: Convert to fraction form
81,542,786/112,529,062.96 = 44,873,356.96/x - Step 3: Cross multiply
81,542,786x = 112,529,062.96 × 44,873,356.96 - Step 4: Simplify right side
81,542,786x = 5,049,556,810,578,394 - Step 5: Solve for x
x = 5,049,556,810,578,394/81,542,786 - Step 6: Final answer
x = 61,925,242.66
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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.