Finding the Fourth Proportional to 115,896,998.40, 173,845,497.60 and 29,642,155.80
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Solution
The fourth proportional to 115,896,998.40, 173,845,497.60 and 29,642,155.80 is: 44,463,233.70
Step by Step Solution
- Step 1: Write the proportion equation
115,896,998.40 : 173,845,497.60 = 29,642,155.80 : x - Step 2: Convert to fraction form
115,896,998.40/173,845,497.60 = 29,642,155.80/x - Step 3: Cross multiply
115,896,998.40x = 173,845,497.60 × 29,642,155.80 - Step 4: Simplify right side
115,896,998.40x = 5,153,155,324,987,726 - Step 5: Solve for x
x = 5,153,155,324,987,726/115,896,998.40 - Step 6: Final answer
x = 44,463,233.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.