Finding the Fourth Proportional to 151,600,237.23, 209,208,957.92 and 81,985,618.11
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Solution
The fourth proportional to 151,600,237.23, 209,208,957.92 and 81,985,618.11 is: 113,140,493.99
Step by Step Solution
- Step 1: Write the proportion equation
151,600,237.23 : 209,208,957.92 = 81,985,618.11 : x - Step 2: Convert to fraction form
151,600,237.23/209,208,957.92 = 81,985,618.11/x - Step 3: Cross multiply
151,600,237.23x = 209,208,957.92 × 81,985,618.11 - Step 4: Simplify right side
151,600,237.23x = 17,152,125,729,220,178 - Step 5: Solve for x
x = 17,152,125,729,220,178/151,600,237.23 - Step 6: Final answer
x = 113,140,493.99
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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.