Finding the Fourth Proportional to 171,781,046.67, 257,913,707.80 and 123,232,435.09
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Solution
The fourth proportional to 171,781,046.67, 257,913,707.80 and 123,232,435.09 is: 185,022,357.65
Step by Step Solution
- Step 1: Write the proportion equation
171,781,046.67 : 257,913,707.80 = 123,232,435.09 : x - Step 2: Convert to fraction form
171,781,046.67/257,913,707.80 = 123,232,435.09/x - Step 3: Cross multiply
171,781,046.67x = 257,913,707.80 × 123,232,435.09 - Step 4: Simplify right side
171,781,046.67x = 31,783,334,255,284,728 - Step 5: Solve for x
x = 31,783,334,255,284,728/171,781,046.67 - Step 6: Final answer
x = 185,022,357.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.