Finding the Fourth Proportional to 163,328,878.08, 245,029,190.40 and 48,304,453.05
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Solution
The fourth proportional to 163,328,878.08, 245,029,190.40 and 48,304,453.05 is: 72,467,289.08
Step by Step Solution
- Step 1: Write the proportion equation
163,328,878.08 : 245,029,190.40 = 48,304,453.05 : x - Step 2: Convert to fraction form
163,328,878.08/245,029,190.40 = 48,304,453.05/x - Step 3: Cross multiply
163,328,878.08x = 245,029,190.40 × 48,304,453.05 - Step 4: Simplify right side
163,328,878.08x = 11,836,001,023,556,310 - Step 5: Solve for x
x = 11,836,001,023,556,310/163,328,878.08 - Step 6: Final answer
x = 72,467,289.08
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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.