Finding the Fourth Proportional to 252,030,574.80, 377,478,991.80 and 149,993,902.80
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Solution
The fourth proportional to 252,030,574.80, 377,478,991.80 and 149,993,902.80 is: 224,653,485.99
Step by Step Solution
- Step 1: Write the proportion equation
252,030,574.80 : 377,478,991.80 = 149,993,902.80 : x - Step 2: Convert to fraction form
252,030,574.80/377,478,991.80 = 149,993,902.80/x - Step 3: Cross multiply
252,030,574.80x = 377,478,991.80 × 149,993,902.80 - Step 4: Simplify right side
252,030,574.80x = 56,619,547,205,091,200 - Step 5: Solve for x
x = 56,619,547,205,091,200/252,030,574.80 - Step 6: Final answer
x = 224,653,485.99
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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.