Finding the Fourth Proportional to 121,442,224.57, 182,163,867.95 and 38,444,382.28
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Solution
The fourth proportional to 121,442,224.57, 182,163,867.95 and 38,444,382.28 is: 57,666,741.55
Step by Step Solution
- Step 1: Write the proportion equation
121,442,224.57 : 182,163,867.95 = 38,444,382.28 : x - Step 2: Convert to fraction form
121,442,224.57/182,163,867.95 = 38,444,382.28/x - Step 3: Cross multiply
121,442,224.57x = 182,163,867.95 × 38,444,382.28 - Step 4: Simplify right side
121,442,224.57x = 7,003,177,377,073,240 - Step 5: Solve for x
x = 7,003,177,377,073,240/121,442,224.57 - Step 6: Final answer
x = 57,666,741.55
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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.