Finding the Fourth Proportional to 138,117,350.48, 207,152,473.55 and 45,990,632.79
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Solution
The fourth proportional to 138,117,350.48, 207,152,473.55 and 45,990,632.79 is: 68,978,106.73
Step by Step Solution
- Step 1: Write the proportion equation
138,117,350.48 : 207,152,473.55 = 45,990,632.79 : x - Step 2: Convert to fraction form
138,117,350.48/207,152,473.55 = 45,990,632.79/x - Step 3: Cross multiply
138,117,350.48x = 207,152,473.55 × 45,990,632.79 - Step 4: Simplify right side
138,117,350.48x = 9,527,073,342,348,284 - Step 5: Solve for x
x = 9,527,073,342,348,284/138,117,350.48 - Step 6: Final answer
x = 68,978,106.73
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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.