Finding the Fourth Proportional to 137,259,222.01, 189,347,686.84 and 87,647,433.19
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Solution
The fourth proportional to 137,259,222.01, 189,347,686.84 and 87,647,433.19 is: 120,908,733.77
Step by Step Solution
- Step 1: Write the proportion equation
137,259,222.01 : 189,347,686.84 = 87,647,433.19 : x - Step 2: Convert to fraction form
137,259,222.01/189,347,686.84 = 87,647,433.19/x - Step 3: Cross multiply
137,259,222.01x = 189,347,686.84 × 87,647,433.19 - Step 4: Simplify right side
137,259,222.01x = 16,595,838,731,989,942 - Step 5: Solve for x
x = 16,595,838,731,989,942/137,259,222.01 - Step 6: Final answer
x = 120,908,733.77
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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.