Finding the Fourth Proportional to 126,631,561.23, 174,749,839.70 and 70,876,965.08
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Solution
The fourth proportional to 126,631,561.23, 174,749,839.70 and 70,876,965.08 is: 97,809,252.02
Step by Step Solution
- Step 1: Write the proportion equation
126,631,561.23 : 174,749,839.70 = 70,876,965.08 : x - Step 2: Convert to fraction form
126,631,561.23/174,749,839.70 = 70,876,965.08/x - Step 3: Cross multiply
126,631,561.23x = 174,749,839.70 × 70,876,965.08 - Step 4: Simplify right side
126,631,561.23x = 12,385,738,286,234,986 - Step 5: Solve for x
x = 12,385,738,286,234,986/126,631,561.23 - Step 6: Final answer
x = 97,809,252.02
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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.