Finding the Fourth Proportional to 99,590,267.14, 149,385,678.49 and 38,198,244.14
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Solution
The fourth proportional to 99,590,267.14, 149,385,678.49 and 38,198,244.14 is: 57,297,472.75
Step by Step Solution
- Step 1: Write the proportion equation
99,590,267.14 : 149,385,678.49 = 38,198,244.14 : x - Step 2: Convert to fraction form
99,590,267.14/149,385,678.49 = 38,198,244.14/x - Step 3: Cross multiply
99,590,267.14x = 149,385,678.49 × 38,198,244.14 - Step 4: Simplify right side
99,590,267.14x = 5,706,270,617,980,567 - Step 5: Solve for x
x = 5,706,270,617,980,567/99,590,267.14 - Step 6: Final answer
x = 57,297,472.75
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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.