Finding the Fourth Proportional to 91,427,341.88, 137,132,614.74 and 30,843,592.76
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Solution
The fourth proportional to 91,427,341.88, 137,132,614.74 and 30,843,592.76 is: 46,262,555.99
Step by Step Solution
- Step 1: Write the proportion equation
91,427,341.88 : 137,132,614.74 = 30,843,592.76 : x - Step 2: Convert to fraction form
91,427,341.88/137,132,614.74 = 30,843,592.76/x - Step 3: Cross multiply
91,427,341.88x = 137,132,614.74 × 30,843,592.76 - Step 4: Simplify right side
91,427,341.88x = 4,229,662,523,154,534 - Step 5: Solve for x
x = 4,229,662,523,154,534/91,427,341.88 - Step 6: Final answer
x = 46,262,555.99
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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.