Finding the Fourth Proportional to 251,921,463.40, 377,882,195.10 and 106,519,205.80
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Solution
The fourth proportional to 251,921,463.40, 377,882,195.10 and 106,519,205.80 is: 159,778,808.70
Step by Step Solution
- Step 1: Write the proportion equation
251,921,463.40 : 377,882,195.10 = 106,519,205.80 : x - Step 2: Convert to fraction form
251,921,463.40/377,882,195.10 = 106,519,205.80/x - Step 3: Cross multiply
251,921,463.40x = 377,882,195.10 × 106,519,205.80 - Step 4: Simplify right side
251,921,463.40x = 40,251,711,308,012,656 - Step 5: Solve for x
x = 40,251,711,308,012,656/251,921,463.40 - Step 6: Final answer
x = 159,778,808.70
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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.