Finding the Fourth Proportional to 71,342,201.23, 98,452,741.58 and 38,747,153.23
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Solution
The fourth proportional to 71,342,201.23, 98,452,741.58 and 38,747,153.23 is: 53,471,345.12
Step by Step Solution
- Step 1: Write the proportion equation
71,342,201.23 : 98,452,741.58 = 38,747,153.23 : x - Step 2: Convert to fraction form
71,342,201.23/98,452,741.58 = 38,747,153.23/x - Step 3: Cross multiply
71,342,201.23x = 98,452,741.58 × 38,747,153.23 - Step 4: Simplify right side
71,342,201.23x = 3,814,763,463,764,588 - Step 5: Solve for x
x = 3,814,763,463,764,588/71,342,201.23 - Step 6: Final answer
x = 53,471,345.12
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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.