Finding the Fourth Proportional to 121,103,932.96, 181,528,331.58 and 60,392,113.12
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Solution
The fourth proportional to 121,103,932.96, 181,528,331.58 and 60,392,113.12 is: 90,524,554.14
Step by Step Solution
- Step 1: Write the proportion equation
121,103,932.96 : 181,528,331.58 = 60,392,113.12 : x - Step 2: Convert to fraction form
121,103,932.96/181,528,331.58 = 60,392,113.12/x - Step 3: Cross multiply
121,103,932.96x = 181,528,331.58 × 60,392,113.12 - Step 4: Simplify right side
121,103,932.96x = 10,962,879,535,264,228 - Step 5: Solve for x
x = 10,962,879,535,264,228/121,103,932.96 - Step 6: Final answer
x = 90,524,554.14
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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.