Finding the Fourth Proportional to 78,940,439.25, 118,418,780.44 and 29,797,686.29
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Solution
The fourth proportional to 78,940,439.25, 118,418,780.44 and 29,797,686.29 is: 44,699,595.09
Step by Step Solution
- Step 1: Write the proportion equation
78,940,439.25 : 118,418,780.44 = 29,797,686.29 : x - Step 2: Convert to fraction form
78,940,439.25/118,418,780.44 = 29,797,686.29/x - Step 3: Cross multiply
78,940,439.25x = 118,418,780.44 × 29,797,686.29 - Step 4: Simplify right side
78,940,439.25x = 3,528,605,670,728,802 - Step 5: Solve for x
x = 3,528,605,670,728,802/78,940,439.25 - Step 6: Final answer
x = 44,699,595.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.