Finding the Fourth Proportional to 108,787,724.34, 163,078,996.77 and 54,148,651.08
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Solution
The fourth proportional to 108,787,724.34, 163,078,996.77 and 54,148,651.08 is: 81,171,912.99
Step by Step Solution
- Step 1: Write the proportion equation
108,787,724.34 : 163,078,996.77 = 54,148,651.08 : x - Step 2: Convert to fraction form
108,787,724.34/163,078,996.77 = 54,148,651.08/x - Step 3: Cross multiply
108,787,724.34x = 163,078,996.77 × 54,148,651.08 - Step 4: Simplify right side
108,787,724.34x = 8,830,507,694,575,177 - Step 5: Solve for x
x = 8,830,507,694,575,177/108,787,724.34 - Step 6: Final answer
x = 81,171,912.99
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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.