Finding the Fourth Proportional to 153,744,371.20, 212,167,229.04 and 84,129,749.44
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Solution
The fourth proportional to 153,744,371.20, 212,167,229.04 and 84,129,749.44 is: 116,099,052.47
Step by Step Solution
- Step 1: Write the proportion equation
153,744,371.20 : 212,167,229.04 = 84,129,749.44 : x - Step 2: Convert to fraction form
153,744,371.20/212,167,229.04 = 84,129,749.44/x - Step 3: Cross multiply
153,744,371.20x = 212,167,229.04 × 84,129,749.44 - Step 4: Simplify right side
153,744,371.20x = 17,849,575,818,514,290 - Step 5: Solve for x
x = 17,849,575,818,514,290/153,744,371.20 - Step 6: Final answer
x = 116,099,052.47
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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.