Finding the Fourth Proportional to 211,950,806.64, 317,926,234.62 and 66,395,710.52
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Solution
The fourth proportional to 211,950,806.64, 317,926,234.62 and 66,395,710.52 is: 99,593,573.50
Step by Step Solution
- Step 1: Write the proportion equation
211,950,806.64 : 317,926,234.62 = 66,395,710.52 : x - Step 2: Convert to fraction form
211,950,806.64/317,926,234.62 = 66,395,710.52/x - Step 3: Cross multiply
211,950,806.64x = 317,926,234.62 × 66,395,710.52 - Step 4: Simplify right side
211,950,806.64x = 21,108,938,240,543,124 - Step 5: Solve for x
x = 21,108,938,240,543,124/211,950,806.64 - Step 6: Final answer
x = 99,593,573.50
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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.