Finding the Fourth Proportional to 178,750,277.80, 268,125,416.70 and 117,528,274.60
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Solution
The fourth proportional to 178,750,277.80, 268,125,416.70 and 117,528,274.60 is: 176,292,411.90
Step by Step Solution
- Step 1: Write the proportion equation
178,750,277.80 : 268,125,416.70 = 117,528,274.60 : x - Step 2: Convert to fraction form
178,750,277.80/268,125,416.70 = 117,528,274.60/x - Step 3: Cross multiply
178,750,277.80x = 268,125,416.70 × 117,528,274.60 - Step 4: Simplify right side
178,750,277.80x = 31,512,317,601,157,024 - Step 5: Solve for x
x = 31,512,317,601,157,024/178,750,277.80 - Step 6: Final answer
x = 176,292,411.90
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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.