Finding the Fourth Proportional to 122,198,714.10, 183,298,071.15 and 40,330,228.05
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Solution
The fourth proportional to 122,198,714.10, 183,298,071.15 and 40,330,228.05 is: 60,495,342.08
Step by Step Solution
- Step 1: Write the proportion equation
122,198,714.10 : 183,298,071.15 = 40,330,228.05 : x - Step 2: Convert to fraction form
122,198,714.10/183,298,071.15 = 40,330,228.05/x - Step 3: Cross multiply
122,198,714.10x = 183,298,071.15 × 40,330,228.05 - Step 4: Simplify right side
122,198,714.10x = 7,392,453,010,604,625 - Step 5: Solve for x
x = 7,392,453,010,604,625/122,198,714.10 - Step 6: Final answer
x = 60,495,342.08
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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.