Finding the Fourth Proportional to 89,943,096.43, 124,121,869.19 and 48,689,988.80
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Solution
The fourth proportional to 89,943,096.43, 124,121,869.19 and 48,689,988.80 is: 67,192,398.98
Step by Step Solution
- Step 1: Write the proportion equation
89,943,096.43 : 124,121,869.19 = 48,689,988.80 : x - Step 2: Convert to fraction form
89,943,096.43/124,121,869.19 = 48,689,988.80/x - Step 3: Cross multiply
89,943,096.43x = 124,121,869.19 × 48,689,988.80 - Step 4: Simplify right side
89,943,096.43x = 6,043,492,420,452,715 - Step 5: Solve for x
x = 6,043,492,420,452,715/89,943,096.43 - Step 6: Final answer
x = 67,192,398.98
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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.