Finding the Fourth Proportional to 144,469,888.44, 199,358,631.18 and 79,283,991.48
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Solution
The fourth proportional to 144,469,888.44, 199,358,631.18 and 79,283,991.48 is: 109,406,521.92
Step by Step Solution
- Step 1: Write the proportion equation
144,469,888.44 : 199,358,631.18 = 79,283,991.48 : x - Step 2: Convert to fraction form
144,469,888.44/199,358,631.18 = 79,283,991.48/x - Step 3: Cross multiply
144,469,888.44x = 199,358,631.18 × 79,283,991.48 - Step 4: Simplify right side
144,469,888.44x = 15,805,948,015,939,584 - Step 5: Solve for x
x = 15,805,948,015,939,584/144,469,888.44 - Step 6: Final answer
x = 109,406,521.92
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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.