Finding the Fourth Proportional to 291,800,350.86, 402,694,029.84 and 159,638,281.44
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Solution
The fourth proportional to 291,800,350.86, 402,694,029.84 and 159,638,281.44 is: 220,306,050.63
Step by Step Solution
- Step 1: Write the proportion equation
291,800,350.86 : 402,694,029.84 = 159,638,281.44 : x - Step 2: Convert to fraction form
291,800,350.86/402,694,029.84 = 159,638,281.44/x - Step 3: Cross multiply
291,800,350.86x = 402,694,029.84 × 159,638,281.44 - Step 4: Simplify right side
291,800,350.86x = 64,285,382,869,805,672 - Step 5: Solve for x
x = 64,285,382,869,805,672/291,800,350.86 - Step 6: Final answer
x = 220,306,050.63
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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.