Finding the Fourth Proportional to 99,252,191.28, 136,971,803.10 and 55,202,375.39
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Solution
The fourth proportional to 99,252,191.28, 136,971,803.10 and 55,202,375.39 is: 76,181,379.93
Step by Step Solution
- Step 1: Write the proportion equation
99,252,191.28 : 136,971,803.10 = 55,202,375.39 : x - Step 2: Convert to fraction form
99,252,191.28/136,971,803.10 = 55,202,375.39/x - Step 3: Cross multiply
99,252,191.28x = 136,971,803.10 × 55,202,375.39 - Step 4: Simplify right side
99,252,191.28x = 7,561,168,892,295,354 - Step 5: Solve for x
x = 7,561,168,892,295,354/99,252,191.28 - Step 6: Final answer
x = 76,181,379.93
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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.