Finding the Fourth Proportional to 99,840,868.38, 149,754,199.68 and 30,746,467.08
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Solution
The fourth proportional to 99,840,868.38, 149,754,199.68 and 30,746,467.08 is: 46,117,513.25
Step by Step Solution
- Step 1: Write the proportion equation
99,840,868.38 : 149,754,199.68 = 30,746,467.08 : x - Step 2: Convert to fraction form
99,840,868.38/149,754,199.68 = 30,746,467.08/x - Step 3: Cross multiply
99,840,868.38x = 149,754,199.68 × 30,746,467.08 - Step 4: Simplify right side
99,840,868.38x = 4,604,412,570,552,866 - Step 5: Solve for x
x = 4,604,412,570,552,866/99,840,868.38 - Step 6: Final answer
x = 46,117,513.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.