Finding the Fourth Proportional to 245,787,845.64, 368,424,261.76 and 114,521,884.75
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Solution
The fourth proportional to 245,787,845.64, 368,424,261.76 and 114,521,884.75 is: 171,662,844.98
Step by Step Solution
- Step 1: Write the proportion equation
245,787,845.64 : 368,424,261.76 = 114,521,884.75 : x - Step 2: Convert to fraction form
245,787,845.64/368,424,261.76 = 114,521,884.75/x - Step 3: Cross multiply
245,787,845.64x = 368,424,261.76 × 114,521,884.75 - Step 4: Simplify right side
245,787,845.64x = 42,192,640,843,809,944 - Step 5: Solve for x
x = 42,192,640,843,809,944/245,787,845.64 - Step 6: Final answer
x = 171,662,844.98
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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.