Finding the Fourth Proportional to 68,103,204.88, 93,984,421.80 and 37,165,370.96
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Solution
The fourth proportional to 68,103,204.88, 93,984,421.80 and 37,165,370.96 is: 51,289,302.86
Step by Step Solution
- Step 1: Write the proportion equation
68,103,204.88 : 93,984,421.80 = 37,165,370.96 : x - Step 2: Convert to fraction form
68,103,204.88/93,984,421.80 = 37,165,370.96/x - Step 3: Cross multiply
68,103,204.88x = 93,984,421.80 × 37,165,370.96 - Step 4: Simplify right side
68,103,204.88x = 3,492,965,900,658,111 - Step 5: Solve for x
x = 3,492,965,900,658,111/68,103,204.88 - Step 6: Final answer
x = 51,289,302.86
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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.