Finding the Fourth Proportional to 180,407,207.92, 248,961,948.84 and 97,900,992.68
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Solution
The fourth proportional to 180,407,207.92, 248,961,948.84 and 97,900,992.68 is: 135,103,370.94
Step by Step Solution
- Step 1: Write the proportion equation
180,407,207.92 : 248,961,948.84 = 97,900,992.68 : x - Step 2: Convert to fraction form
180,407,207.92/248,961,948.84 = 97,900,992.68/x - Step 3: Cross multiply
180,407,207.92x = 248,961,948.84 × 97,900,992.68 - Step 4: Simplify right side
180,407,207.92x = 24,373,621,930,983,376 - Step 5: Solve for x
x = 24,373,621,930,983,376/180,407,207.92 - Step 6: Final answer
x = 135,103,370.94
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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.