Finding the Fourth Proportional to 68,548,239.55, 94,596,570.58 and 39,180,202.68
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Solution
The fourth proportional to 68,548,239.55, 94,596,570.58 and 39,180,202.68 is: 54,068,679.70
Step by Step Solution
- Step 1: Write the proportion equation
68,548,239.55 : 94,596,570.58 = 39,180,202.68 : x - Step 2: Convert to fraction form
68,548,239.55/94,596,570.58 = 39,180,202.68/x - Step 3: Cross multiply
68,548,239.55x = 94,596,570.58 × 39,180,202.68 - Step 4: Simplify right side
68,548,239.55x = 3,706,312,808,491,766.50 - Step 5: Solve for x
x = 3,706,312,808,491,766.50/68,548,239.55 - Step 6: Final answer
x = 54,068,679.70
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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.