Finding the Fourth Proportional to 71,317,269.36, 98,418,224.64 and 38,722,221.36
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Solution
The fourth proportional to 71,317,269.36, 98,418,224.64 and 38,722,221.36 is: 53,436,878.82
Step by Step Solution
- Step 1: Write the proportion equation
71,317,269.36 : 98,418,224.64 = 38,722,221.36 : x - Step 2: Convert to fraction form
71,317,269.36/98,418,224.64 = 38,722,221.36/x - Step 3: Cross multiply
71,317,269.36x = 98,418,224.64 × 38,722,221.36 - Step 4: Simplify right side
71,317,269.36x = 3,810,972,280,368,286.50 - Step 5: Solve for x
x = 3,810,972,280,368,286.50/71,317,269.36 - Step 6: Final answer
x = 53,436,878.82
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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.