Finding the Fourth Proportional to 121,442,186.66, 182,163,813.37 and 38,444,347.17
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Solution
The fourth proportional to 121,442,186.66, 182,163,813.37 and 38,444,347.17 is: 57,666,689.61
Step by Step Solution
- Step 1: Write the proportion equation
121,442,186.66 : 182,163,813.37 = 38,444,347.17 : x - Step 2: Convert to fraction form
121,442,186.66/182,163,813.37 = 38,444,347.17/x - Step 3: Cross multiply
121,442,186.66x = 182,163,813.37 × 38,444,347.17 - Step 4: Simplify right side
121,442,186.66x = 7,003,168,882,911,257 - Step 5: Solve for x
x = 7,003,168,882,911,257/121,442,186.66 - Step 6: Final answer
x = 57,666,689.61
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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.