Finding the Fourth Proportional to 80,391,418.18, 110,940,211.80 and 45,104,352.05
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Solution
The fourth proportional to 80,391,418.18, 110,940,211.80 and 45,104,352.05 is: 62,244,036.53
Step by Step Solution
- Step 1: Write the proportion equation
80,391,418.18 : 110,940,211.80 = 45,104,352.05 : x - Step 2: Convert to fraction form
80,391,418.18/110,940,211.80 = 45,104,352.05/x - Step 3: Cross multiply
80,391,418.18x = 110,940,211.80 × 45,104,352.05 - Step 4: Simplify right side
80,391,418.18x = 5,003,886,369,528,764 - Step 5: Solve for x
x = 5,003,886,369,528,764/80,391,418.18 - Step 6: Final answer
x = 62,244,036.53
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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.