Finding the Fourth Proportional to 115,897,490.40, 173,846,235.60 and 29,642,647.80
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Solution
The fourth proportional to 115,897,490.40, 173,846,235.60 and 29,642,647.80 is: 44,463,971.70
Step by Step Solution
- Step 1: Write the proportion equation
115,897,490.40 : 173,846,235.60 = 29,642,647.80 : x - Step 2: Convert to fraction form
115,897,490.40/173,846,235.60 = 29,642,647.80/x - Step 3: Cross multiply
115,897,490.40x = 173,846,235.60 × 29,642,647.80 - Step 4: Simplify right side
115,897,490.40x = 5,153,262,733,246,622 - Step 5: Solve for x
x = 5,153,262,733,246,622/115,897,490.40 - Step 6: Final answer
x = 44,463,971.70
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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.