Finding the Fourth Proportional to 57,769,475.40, 79,730,432.47 and 36,578,224.81
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Solution
The fourth proportional to 57,769,475.40, 79,730,432.47 and 36,578,224.81 is: 50,483,367.95
Step by Step Solution
- Step 1: Write the proportion equation
57,769,475.40 : 79,730,432.47 = 36,578,224.81 : x - Step 2: Convert to fraction form
57,769,475.40/79,730,432.47 = 36,578,224.81/x - Step 3: Cross multiply
57,769,475.40x = 79,730,432.47 × 36,578,224.81 - Step 4: Simplify right side
57,769,475.40x = 2,916,397,683,086,183.50 - Step 5: Solve for x
x = 2,916,397,683,086,183.50/57,769,475.40 - Step 6: Final answer
x = 50,483,367.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.