Finding the Fourth Proportional to 112,331,419.60, 168,497,129.40 and 94,191,566.80
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Solution
The fourth proportional to 112,331,419.60, 168,497,129.40 and 94,191,566.80 is: 141,287,350.20
Step by Step Solution
- Step 1: Write the proportion equation
112,331,419.60 : 168,497,129.40 = 94,191,566.80 : x - Step 2: Convert to fraction form
112,331,419.60/168,497,129.40 = 94,191,566.80/x - Step 3: Cross multiply
112,331,419.60x = 168,497,129.40 × 94,191,566.80 - Step 4: Simplify right side
112,331,419.60x = 15,871,008,619,488,344 - Step 5: Solve for x
x = 15,871,008,619,488,344/112,331,419.60 - Step 6: Final answer
x = 141,287,350.20
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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.