Finding the Fourth Proportional to 68,352,628.14, 94,327,512.80 and 37,412,133.12
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Solution
The fourth proportional to 68,352,628.14, 94,327,512.80 and 37,412,133.12 is: 51,629,228.63
Step by Step Solution
- Step 1: Write the proportion equation
68,352,628.14 : 94,327,512.80 = 37,412,133.12 : x - Step 2: Convert to fraction form
68,352,628.14/94,327,512.80 = 37,412,133.12/x - Step 3: Cross multiply
68,352,628.14x = 94,327,512.80 × 37,412,133.12 - Step 4: Simplify right side
68,352,628.14x = 3,528,993,465,565,043 - Step 5: Solve for x
x = 3,528,993,465,565,043/68,352,628.14 - Step 6: Final answer
x = 51,629,228.63
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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.