Finding the Fourth Proportional to 49,207,980.10, 73,811,970.15 and 45,624,799.30
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Solution
The fourth proportional to 49,207,980.10, 73,811,970.15 and 45,624,799.30 is: 68,437,198.95
Step by Step Solution
- Step 1: Write the proportion equation
49,207,980.10 : 73,811,970.15 = 45,624,799.30 : x - Step 2: Convert to fraction form
49,207,980.10/73,811,970.15 = 45,624,799.30/x - Step 3: Cross multiply
49,207,980.10x = 73,811,970.15 × 45,624,799.30 - Step 4: Simplify right side
49,207,980.10x = 3,367,656,324,031,341 - Step 5: Solve for x
x = 3,367,656,324,031,341/49,207,980.10 - Step 6: Final answer
x = 68,437,198.95
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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.