Finding the Fourth Proportional to 156,528,991.29, 233,739,409.17 and 127,832,052.09
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Solution
The fourth proportional to 156,528,991.29, 233,739,409.17 and 127,832,052.09 is: 190,887,247.67
Step by Step Solution
- Step 1: Write the proportion equation
156,528,991.29 : 233,739,409.17 = 127,832,052.09 : x - Step 2: Convert to fraction form
156,528,991.29/233,739,409.17 = 127,832,052.09/x - Step 3: Cross multiply
156,528,991.29x = 233,739,409.17 × 127,832,052.09 - Step 4: Simplify right side
156,528,991.29x = 29,879,388,328,505,264 - Step 5: Solve for x
x = 29,879,388,328,505,264/156,528,991.29 - Step 6: Final answer
x = 190,887,247.67
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.