Finding the Fourth Proportional to 219,026,138.70, 328,539,208.05 and 132,861,837.90
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Solution
The fourth proportional to 219,026,138.70, 328,539,208.05 and 132,861,837.90 is: 199,292,756.85
Step by Step Solution
- Step 1: Write the proportion equation
219,026,138.70 : 328,539,208.05 = 132,861,837.90 : x - Step 2: Convert to fraction form
219,026,138.70/328,539,208.05 = 132,861,837.90/x - Step 3: Cross multiply
219,026,138.70x = 328,539,208.05 × 132,861,837.90 - Step 4: Simplify right side
219,026,138.70x = 43,650,323,003,733,480 - Step 5: Solve for x
x = 43,650,323,003,733,480/219,026,138.70 - Step 6: Final answer
x = 199,292,756.85
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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.