Finding the Fourth Proportional to 129,027,274.60, 193,540,911.90 and 118,725,629.80
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Solution
The fourth proportional to 129,027,274.60, 193,540,911.90 and 118,725,629.80 is: 178,088,444.70
Step by Step Solution
- Step 1: Write the proportion equation
129,027,274.60 : 193,540,911.90 = 118,725,629.80 : x - Step 2: Convert to fraction form
129,027,274.60/193,540,911.90 = 118,725,629.80/x - Step 3: Cross multiply
129,027,274.60x = 193,540,911.90 × 118,725,629.80 - Step 4: Simplify right side
129,027,274.60x = 22,978,266,657,393,816 - Step 5: Solve for x
x = 22,978,266,657,393,816/129,027,274.60 - Step 6: Final answer
x = 178,088,444.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.