Finding the Fourth Proportional to 68,172,203.60, 102,316,366.20 and 27,811,653.20
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Solution
The fourth proportional to 68,172,203.60, 102,316,366.20 and 27,811,653.20 is: 41,741,166.39
Step by Step Solution
- Step 1: Write the proportion equation
68,172,203.60 : 102,316,366.20 = 27,811,653.20 : x - Step 2: Convert to fraction form
68,172,203.60/102,316,366.20 = 27,811,653.20/x - Step 3: Cross multiply
68,172,203.60x = 102,316,366.20 × 27,811,653.20 - Step 4: Simplify right side
68,172,203.60x = 2,845,587,293,438,602 - Step 5: Solve for x
x = 2,845,587,293,438,602/68,172,203.60 - Step 6: Final answer
x = 41,741,166.39
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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.