Finding the Fourth Proportional to 130,757,659.85, 180,458,324.92 and 97,660,474.22
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Solution
The fourth proportional to 130,757,659.85, 180,458,324.92 and 97,660,474.22 is: 134,780,980.40
Step by Step Solution
- Step 1: Write the proportion equation
130,757,659.85 : 180,458,324.92 = 97,660,474.22 : x - Step 2: Convert to fraction form
130,757,659.85/180,458,324.92 = 97,660,474.22/x - Step 3: Cross multiply
130,757,659.85x = 180,458,324.92 × 97,660,474.22 - Step 4: Simplify right side
130,757,659.85x = 17,623,645,589,207,262 - Step 5: Solve for x
x = 17,623,645,589,207,262/130,757,659.85 - Step 6: Final answer
x = 134,780,980.40
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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.