Finding the Fourth Proportional to 251,838,591.77, 347,533,723.94 and 140,334,132.29
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Solution
The fourth proportional to 251,838,591.77, 347,533,723.94 and 140,334,132.29 is: 193,659,133.99
Step by Step Solution
- Step 1: Write the proportion equation
251,838,591.77 : 347,533,723.94 = 140,334,132.29 : x - Step 2: Convert to fraction form
251,838,591.77/347,533,723.94 = 140,334,132.29/x - Step 3: Cross multiply
251,838,591.77x = 347,533,723.94 × 140,334,132.29 - Step 4: Simplify right side
251,838,591.77x = 48,770,843,588,192,960 - Step 5: Solve for x
x = 48,770,843,588,192,960/251,838,591.77 - Step 6: Final answer
x = 193,659,133.99
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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.