Finding the Fourth Proportional to 99,991,446.03, 149,972,014.45 and 27,213,897.98
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Solution
The fourth proportional to 99,991,446.03, 149,972,014.45 and 27,213,897.98 is: 40,816,722.47
Step by Step Solution
- Step 1: Write the proportion equation
99,991,446.03 : 149,972,014.45 = 27,213,897.98 : x - Step 2: Convert to fraction form
99,991,446.03/149,972,014.45 = 27,213,897.98/x - Step 3: Cross multiply
99,991,446.03x = 149,972,014.45 × 27,213,897.98 - Step 4: Simplify right side
99,991,446.03x = 4,081,323,101,506,333 - Step 5: Solve for x
x = 4,081,323,101,506,333/99,991,446.03 - Step 6: Final answer
x = 40,816,722.47
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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.