Finding the Fourth Proportional to 53,190,330.13, 79,787,895.63 and 16,299,565.39
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Solution
The fourth proportional to 53,190,330.13, 79,787,895.63 and 16,299,565.39 is: 24,450,083.67
Step by Step Solution
- Step 1: Write the proportion equation
53,190,330.13 : 79,787,895.63 = 16,299,565.39 : x - Step 2: Convert to fraction form
53,190,330.13/79,787,895.63 = 16,299,565.39/x - Step 3: Cross multiply
53,190,330.13x = 79,787,895.63 × 16,299,565.39 - Step 4: Simplify right side
53,190,330.13x = 1,300,508,022,151,680.25 - Step 5: Solve for x
x = 1,300,508,022,151,680.25/53,190,330.13 - Step 6: Final answer
x = 24,450,083.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.