Finding the Fourth Proportional to 166,288,519.81, 249,305,626.99 and 100,695,381.85
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Solution
The fourth proportional to 166,288,519.81, 249,305,626.99 and 100,695,381.85 is: 150,966,075.93
Step by Step Solution
- Step 1: Write the proportion equation
166,288,519.81 : 249,305,626.99 = 100,695,381.85 : x - Step 2: Convert to fraction form
166,288,519.81/249,305,626.99 = 100,695,381.85/x - Step 3: Cross multiply
166,288,519.81x = 249,305,626.99 × 100,695,381.85 - Step 4: Simplify right side
166,288,519.81x = 25,103,925,307,111,716 - Step 5: Solve for x
x = 25,103,925,307,111,716/166,288,519.81 - Step 6: Final answer
x = 150,966,075.93
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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.