Finding the Fourth Proportional to 68,118,563.07, 102,191,326.37 and 24,988,143.15
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Solution
The fourth proportional to 68,118,563.07, 102,191,326.37 and 24,988,143.15 is: 37,487,160.28
Step by Step Solution
- Step 1: Write the proportion equation
68,118,563.07 : 102,191,326.37 = 24,988,143.15 : x - Step 2: Convert to fraction form
68,118,563.07/102,191,326.37 = 24,988,143.15/x - Step 3: Cross multiply
68,118,563.07x = 102,191,326.37 × 24,988,143.15 - Step 4: Simplify right side
68,118,563.07x = 2,553,571,491,896,989 - Step 5: Solve for x
x = 2,553,571,491,896,989/68,118,563.07 - Step 6: Final answer
x = 37,487,160.28
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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.