Finding the Fourth Proportional to 68,335,894.80, 102,528,725.40 and 27,975,344.40
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Solution
The fourth proportional to 68,335,894.80, 102,528,725.40 and 27,975,344.40 is: 41,973,203.28
Step by Step Solution
- Step 1: Write the proportion equation
68,335,894.80 : 102,528,725.40 = 27,975,344.40 : x - Step 2: Convert to fraction form
68,335,894.80/102,528,725.40 = 27,975,344.40/x - Step 3: Cross multiply
68,335,894.80x = 102,528,725.40 × 27,975,344.40 - Step 4: Simplify right side
68,335,894.80x = 2,868,276,403,958,028 - Step 5: Solve for x
x = 2,868,276,403,958,028/68,335,894.80 - Step 6: Final answer
x = 41,973,203.28
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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.