Finding the Fourth Proportional to 156,528,990.29, 233,739,407.68 and 127,832,051.09
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Solution
The fourth proportional to 156,528,990.29, 233,739,407.68 and 127,832,051.09 is: 190,887,246.18
Step by Step Solution
- Step 1: Write the proportion equation
156,528,990.29 : 233,739,407.68 = 127,832,051.09 : x - Step 2: Convert to fraction form
156,528,990.29/233,739,407.68 = 127,832,051.09/x - Step 3: Cross multiply
156,528,990.29x = 233,739,407.68 × 127,832,051.09 - Step 4: Simplify right side
156,528,990.29x = 29,879,387,904,560,868 - Step 5: Solve for x
x = 29,879,387,904,560,868/156,528,990.29 - Step 6: Final answer
x = 190,887,246.18
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.