Finding the Fourth Proportional to 161,318,266.26, 241,977,030.30 and 69,142,236.05
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Solution
The fourth proportional to 161,318,266.26, 241,977,030.30 and 69,142,236.05 is: 103,713,195.87
Step by Step Solution
- Step 1: Write the proportion equation
161,318,266.26 : 241,977,030.30 = 69,142,236.05 : x - Step 2: Convert to fraction form
161,318,266.26/241,977,030.30 = 69,142,236.05/x - Step 3: Cross multiply
161,318,266.26x = 241,977,030.30 × 69,142,236.05 - Step 4: Simplify right side
161,318,266.26x = 16,730,832,946,470,718 - Step 5: Solve for x
x = 16,730,832,946,470,718/161,318,266.26 - Step 6: Final answer
x = 103,713,195.87
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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.