Finding the Fourth Proportional to 128,318,923.80, 192,489,701.00 and 36,203,467.95
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Solution
The fourth proportional to 128,318,923.80, 192,489,701.00 and 36,203,467.95 is: 54,308,394.38
Step by Step Solution
- Step 1: Write the proportion equation
128,318,923.80 : 192,489,701.00 = 36,203,467.95 : x - Step 2: Convert to fraction form
128,318,923.80/192,489,701.00 = 36,203,467.95/x - Step 3: Cross multiply
128,318,923.80x = 192,489,701.00 × 36,203,467.95 - Step 4: Simplify right side
128,318,923.80x = 6,968,794,720,677,566 - Step 5: Solve for x
x = 6,968,794,720,677,566/128,318,923.80 - Step 6: Final answer
x = 54,308,394.38
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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.