Finding the Fourth Proportional to 202,447,271.40, 303,670,907.10 and 193,041,421.80
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Solution
The fourth proportional to 202,447,271.40, 303,670,907.10 and 193,041,421.80 is: 289,562,132.70
Step by Step Solution
- Step 1: Write the proportion equation
202,447,271.40 : 303,670,907.10 = 193,041,421.80 : x - Step 2: Convert to fraction form
202,447,271.40/303,670,907.10 = 193,041,421.80/x - Step 3: Cross multiply
202,447,271.40x = 303,670,907.10 × 193,041,421.80 - Step 4: Simplify right side
202,447,271.40x = 58,621,063,665,879,720 - Step 5: Solve for x
x = 58,621,063,665,879,720/202,447,271.40 - Step 6: Final answer
x = 289,562,132.70
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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.