Finding the Fourth Proportional to 211,884,418.99, 317,655,115.73 and 66,243,012.94
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Solution
The fourth proportional to 211,884,418.99, 317,655,115.73 and 66,243,012.94 is: 99,310,898.09
Step by Step Solution
- Step 1: Write the proportion equation
211,884,418.99 : 317,655,115.73 = 66,243,012.94 : x - Step 2: Convert to fraction form
211,884,418.99/317,655,115.73 = 66,243,012.94/x - Step 3: Cross multiply
211,884,418.99x = 317,655,115.73 × 66,243,012.94 - Step 4: Simplify right side
211,884,418.99x = 21,042,431,941,759,588 - Step 5: Solve for x
x = 21,042,431,941,759,588/211,884,418.99 - Step 6: Final answer
x = 99,310,898.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.