Finding the Fourth Proportional to 68,386,388.97, 94,373,237.12 and 37,024,431.72
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Solution
The fourth proportional to 68,386,388.97, 94,373,237.12 and 37,024,431.72 is: 51,093,726.78
Step by Step Solution
- Step 1: Write the proportion equation
68,386,388.97 : 94,373,237.12 = 37,024,431.72 : x - Step 2: Convert to fraction form
68,386,388.97/94,373,237.12 = 37,024,431.72/x - Step 3: Cross multiply
68,386,388.97x = 94,373,237.12 × 37,024,431.72 - Step 4: Simplify right side
68,386,388.97x = 3,494,115,473,759,687 - Step 5: Solve for x
x = 3,494,115,473,759,687/68,386,388.97 - Step 6: Final answer
x = 51,093,726.78
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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.