Finding the Fourth Proportional to 67,824,245.80, 101,736,368.70 and 65,178,850.60
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Solution
The fourth proportional to 67,824,245.80, 101,736,368.70 and 65,178,850.60 is: 97,768,275.90
Step by Step Solution
- Step 1: Write the proportion equation
67,824,245.80 : 101,736,368.70 = 65,178,850.60 : x - Step 2: Convert to fraction form
67,824,245.80/101,736,368.70 = 65,178,850.60/x - Step 3: Cross multiply
67,824,245.80x = 101,736,368.70 × 65,178,850.60 - Step 4: Simplify right side
67,824,245.80x = 6,631,059,576,083,817 - Step 5: Solve for x
x = 6,631,059,576,083,817/67,824,245.80 - Step 6: Final answer
x = 97,768,275.90
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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.