Finding the Fourth Proportional to 141,494,827.96, 195,271,762.80 and 85,745,129.68
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Solution
The fourth proportional to 141,494,827.96, 195,271,762.80 and 85,745,129.68 is: 118,333,672.44
Step by Step Solution
- Step 1: Write the proportion equation
141,494,827.96 : 195,271,762.80 = 85,745,129.68 : x - Step 2: Convert to fraction form
141,494,827.96/195,271,762.80 = 85,745,129.68/x - Step 3: Cross multiply
141,494,827.96x = 195,271,762.80 × 85,745,129.68 - Step 4: Simplify right side
141,494,827.96x = 16,743,602,624,128,202 - Step 5: Solve for x
x = 16,743,602,624,128,202/141,494,827.96 - Step 6: Final answer
x = 118,333,672.44
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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.