Finding the Fourth Proportional to 94,536,416.80, 141,804,625.20 and 80,931,527.20
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Solution
The fourth proportional to 94,536,416.80, 141,804,625.20 and 80,931,527.20 is: 121,397,290.80
Step by Step Solution
- Step 1: Write the proportion equation
94,536,416.80 : 141,804,625.20 = 80,931,527.20 : x - Step 2: Convert to fraction form
94,536,416.80/141,804,625.20 = 80,931,527.20/x - Step 3: Cross multiply
94,536,416.80x = 141,804,625.20 × 80,931,527.20 - Step 4: Simplify right side
94,536,416.80x = 11,476,464,881,459,604 - Step 5: Solve for x
x = 11,476,464,881,459,604/94,536,416.80 - Step 6: Final answer
x = 121,397,290.80
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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.