Finding the Fourth Proportional to 68,318,620.86, 94,181,637.99 and 48,705,458.67
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Solution
The fourth proportional to 68,318,620.86, 94,181,637.99 and 48,705,458.67 is: 67,143,625.25
Step by Step Solution
- Step 1: Write the proportion equation
68,318,620.86 : 94,181,637.99 = 48,705,458.67 : x - Step 2: Convert to fraction form
68,318,620.86/94,181,637.99 = 48,705,458.67/x - Step 3: Cross multiply
68,318,620.86x = 94,181,637.99 × 48,705,458.67 - Step 4: Simplify right side
68,318,620.86x = 4,587,159,876,594,847 - Step 5: Solve for x
x = 4,587,159,876,594,847/68,318,620.86 - Step 6: Final answer
x = 67,143,625.25
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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.