Finding the Fourth Proportional to 266,472,289.80, 399,708,434.70 and 93,891,745.80
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Solution
The fourth proportional to 266,472,289.80, 399,708,434.70 and 93,891,745.80 is: 140,837,618.70
Step by Step Solution
- Step 1: Write the proportion equation
266,472,289.80 : 399,708,434.70 = 93,891,745.80 : x - Step 2: Convert to fraction form
266,472,289.80/399,708,434.70 = 93,891,745.80/x - Step 3: Cross multiply
266,472,289.80x = 399,708,434.70 × 93,891,745.80 - Step 4: Simplify right side
266,472,289.80x = 37,529,322,744,968,296 - Step 5: Solve for x
x = 37,529,322,744,968,296/266,472,289.80 - Step 6: Final answer
x = 140,837,618.70
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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.