Finding the Fourth Proportional to 39,129,660.40, 58,757,476.20 and 29,555,849.20
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Solution
The fourth proportional to 39,129,660.40, 58,757,476.20 and 29,555,849.20 is: 44,381,348.78
Step by Step Solution
- Step 1: Write the proportion equation
39,129,660.40 : 58,757,476.20 = 29,555,849.20 : x - Step 2: Convert to fraction form
39,129,660.40/58,757,476.20 = 29,555,849.20/x - Step 3: Cross multiply
39,129,660.40x = 58,757,476.20 × 29,555,849.20 - Step 4: Simplify right side
39,129,660.40x = 1,736,627,105,939,789 - Step 5: Solve for x
x = 1,736,627,105,939,789/39,129,660.40 - Step 6: Final answer
x = 44,381,348.78
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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.