Finding the Fourth Proportional to 180,409,555.42, 248,965,186.41 and 97,903,340.17
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Solution
The fourth proportional to 180,409,555.42, 248,965,186.41 and 97,903,340.17 is: 135,106,609.40
Step by Step Solution
- Step 1: Write the proportion equation
180,409,555.42 : 248,965,186.41 = 97,903,340.17 : x - Step 2: Convert to fraction form
180,409,555.42/248,965,186.41 = 97,903,340.17/x - Step 3: Cross multiply
180,409,555.42x = 248,965,186.41 × 97,903,340.17 - Step 4: Simplify right side
180,409,555.42x = 24,374,523,335,585,692 - Step 5: Solve for x
x = 24,374,523,335,585,692/180,409,555.42 - Step 6: Final answer
x = 135,106,609.40
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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.