Finding the Fourth Proportional to 124,556,115.26, 171,887,998.66 and 68,041,640.46
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Solution
The fourth proportional to 124,556,115.26, 171,887,998.66 and 68,041,640.46 is: 93,897,769.53
Step by Step Solution
- Step 1: Write the proportion equation
124,556,115.26 : 171,887,998.66 = 68,041,640.46 : x - Step 2: Convert to fraction form
124,556,115.26/171,887,998.66 = 68,041,640.46/x - Step 3: Cross multiply
124,556,115.26x = 171,887,998.66 × 68,041,640.46 - Step 4: Simplify right side
124,556,115.26x = 11,695,541,404,212,680 - Step 5: Solve for x
x = 11,695,541,404,212,680/124,556,115.26 - Step 6: Final answer
x = 93,897,769.53
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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.