Finding the Fourth Proportional to 57,537,047.66, 86,339,621.94 and 21,170,975.99
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Solution
The fourth proportional to 57,537,047.66, 86,339,621.94 and 21,170,975.99 is: 31,768,992.97
Step by Step Solution
- Step 1: Write the proportion equation
57,537,047.66 : 86,339,621.94 = 21,170,975.99 : x - Step 2: Convert to fraction form
57,537,047.66/86,339,621.94 = 21,170,975.99/x - Step 3: Cross multiply
57,537,047.66x = 86,339,621.94 × 21,170,975.99 - Step 4: Simplify right side
57,537,047.66x = 1,827,894,062,539,864.25 - Step 5: Solve for x
x = 1,827,894,062,539,864.25/57,537,047.66 - Step 6: Final answer
x = 31,768,992.97
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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.