Finding the Fourth Proportional to 68,534,574.18, 94,576,830.03 and 39,165,570.42
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Solution
The fourth proportional to 68,534,574.18, 94,576,830.03 and 39,165,570.42 is: 54,047,982.95
Step by Step Solution
- Step 1: Write the proportion equation
68,534,574.18 : 94,576,830.03 = 39,165,570.42 : x - Step 2: Convert to fraction form
68,534,574.18/94,576,830.03 = 39,165,570.42/x - Step 3: Cross multiply
68,534,574.18x = 94,576,830.03 × 39,165,570.42 - Step 4: Simplify right side
68,534,574.18x = 3,704,155,496,640,336 - Step 5: Solve for x
x = 3,704,155,496,640,336/68,534,574.18 - Step 6: Final answer
x = 54,047,982.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.