Finding the Fourth Proportional to 189,106,972.56, 283,669,152.12 and 57,939,854.22
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Solution
The fourth proportional to 189,106,972.56, 283,669,152.12 and 57,939,854.22 is: 86,912,444.84
Step by Step Solution
- Step 1: Write the proportion equation
189,106,972.56 : 283,669,152.12 = 57,939,854.22 : x - Step 2: Convert to fraction form
189,106,972.56/283,669,152.12 = 57,939,854.22/x - Step 3: Cross multiply
189,106,972.56x = 283,669,152.12 × 57,939,854.22 - Step 4: Simplify right side
189,106,972.56x = 16,435,749,320,543,804 - Step 5: Solve for x
x = 16,435,749,320,543,804/189,106,972.56 - Step 6: Final answer
x = 86,912,444.84
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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.