Finding the Fourth Proportional to 161,243,101.40, 241,864,652.10 and 88,431,747.80
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Solution
The fourth proportional to 161,243,101.40, 241,864,652.10 and 88,431,747.80 is: 132,647,621.70
Step by Step Solution
- Step 1: Write the proportion equation
161,243,101.40 : 241,864,652.10 = 88,431,747.80 : x - Step 2: Convert to fraction form
161,243,101.40/241,864,652.10 = 88,431,747.80/x - Step 3: Cross multiply
161,243,101.40x = 241,864,652.10 × 88,431,747.80 - Step 4: Simplify right side
161,243,101.40x = 21,388,513,916,241,940 - Step 5: Solve for x
x = 21,388,513,916,241,940/161,243,101.40 - Step 6: Final answer
x = 132,647,621.70
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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.