Finding the Fourth Proportional to 165,402,330.30, 248,103,495.45 and 68,325,774.30
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Solution
The fourth proportional to 165,402,330.30, 248,103,495.45 and 68,325,774.30 is: 102,488,661.45
Step by Step Solution
- Step 1: Write the proportion equation
165,402,330.30 : 248,103,495.45 = 68,325,774.30 : x - Step 2: Convert to fraction form
165,402,330.30/248,103,495.45 = 68,325,774.30/x - Step 3: Cross multiply
165,402,330.30x = 248,103,495.45 × 68,325,774.30 - Step 4: Simplify right side
165,402,330.30x = 16,951,863,433,157,776 - Step 5: Solve for x
x = 16,951,863,433,157,776/165,402,330.30 - Step 6: Final answer
x = 102,488,661.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.