Finding the Fourth Proportional to 245,722,853.82, 339,095,305.84 and 134,213,671.44
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Solution
The fourth proportional to 245,722,853.82, 339,095,305.84 and 134,213,671.44 is: 185,213,647.23
Step by Step Solution
- Step 1: Write the proportion equation
245,722,853.82 : 339,095,305.84 = 134,213,671.44 : x - Step 2: Convert to fraction form
245,722,853.82/339,095,305.84 = 134,213,671.44/x - Step 3: Cross multiply
245,722,853.82x = 339,095,305.84 × 134,213,671.44 - Step 4: Simplify right side
245,722,853.82x = 45,511,225,964,856,072 - Step 5: Solve for x
x = 45,511,225,964,856,072/245,722,853.82 - Step 6: Final answer
x = 185,213,647.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.