Finding the Fourth Proportional to 61,103,693.34, 84,545,145 and 53,279,509.68
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Solution
The fourth proportional to 61,103,693.34, 84,545,145 and 53,279,509.68 is: 73,719,338.80
Step by Step Solution
- Step 1: Write the proportion equation
61,103,693.34 : 84,545,145 = 53,279,509.68 : x - Step 2: Convert to fraction form
61,103,693.34/84,545,145 = 53,279,509.68/x - Step 3: Cross multiply
61,103,693.34x = 84,545,145 × 53,279,509.68 - Step 4: Simplify right side
61,103,693.34x = 4,504,523,871,424,504 - Step 5: Solve for x
x = 4,504,523,871,424,504/61,103,693.34 - Step 6: Final answer
x = 73,719,338.80
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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.