Finding the Fourth Proportional to 150,755,770.44, 207,989,983.44 and 98,575,350.12
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Solution
The fourth proportional to 150,755,770.44, 207,989,983.44 and 98,575,350.12 is: 135,999,341.05
Step by Step Solution
- Step 1: Write the proportion equation
150,755,770.44 : 207,989,983.44 = 98,575,350.12 : x - Step 2: Convert to fraction form
150,755,770.44/207,989,983.44 = 98,575,350.12/x - Step 3: Cross multiply
150,755,770.44x = 207,989,983.44 × 98,575,350.12 - Step 4: Simplify right side
150,755,770.44x = 20,502,685,439,051,004 - Step 5: Solve for x
x = 20,502,685,439,051,004/150,755,770.44 - Step 6: Final answer
x = 135,999,341.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.