Finding the Fourth Proportional to 79,476,305.99, 119,220,134.09 and 21,183,678.63
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Solution
The fourth proportional to 79,476,305.99, 119,220,134.09 and 21,183,678.63 is: 31,777,030.60
Step by Step Solution
- Step 1: Write the proportion equation
79,476,305.99 : 119,220,134.09 = 21,183,678.63 : x - Step 2: Convert to fraction form
79,476,305.99/119,220,134.09 = 21,183,678.63/x - Step 3: Cross multiply
79,476,305.99x = 119,220,134.09 × 21,183,678.63 - Step 4: Simplify right side
79,476,305.99x = 2,525,521,007,086,118 - Step 5: Solve for x
x = 2,525,521,007,086,118/79,476,305.99 - Step 6: Final answer
x = 31,777,030.60
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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.