Finding the Fourth Proportional to 61,607,348.64, 84,991,446.72 and 37,147,474.08
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Solution
The fourth proportional to 61,607,348.64, 84,991,446.72 and 37,147,474.08 is: 51,247,418.27
Step by Step Solution
- Step 1: Write the proportion equation
61,607,348.64 : 84,991,446.72 = 37,147,474.08 : x - Step 2: Convert to fraction form
61,607,348.64/84,991,446.72 = 37,147,474.08/x - Step 3: Cross multiply
61,607,348.64x = 84,991,446.72 × 37,147,474.08 - Step 4: Simplify right side
61,607,348.64x = 3,157,217,564,052,901 - Step 5: Solve for x
x = 3,157,217,564,052,901/61,607,348.64 - Step 6: Final answer
x = 51,247,418.27
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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.