Finding the Fourth Proportional to 149,781,858.92, 206,699,245.37 and 83,702,357.27
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Solution
The fourth proportional to 149,781,858.92, 206,699,245.37 and 83,702,357.27 is: 115,509,409.53
Step by Step Solution
- Step 1: Write the proportion equation
149,781,858.92 : 206,699,245.37 = 83,702,357.27 : x - Step 2: Convert to fraction form
149,781,858.92/206,699,245.37 = 83,702,357.27/x - Step 3: Cross multiply
149,781,858.92x = 206,699,245.37 × 83,702,357.27 - Step 4: Simplify right side
149,781,858.92x = 17,301,214,081,947,126 - Step 5: Solve for x
x = 17,301,214,081,947,126/149,781,858.92 - Step 6: Final answer
x = 115,509,409.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.