Finding the Fourth Proportional to 253,313,946.61, 379,999,263.44 and 80,750,723.65
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Solution
The fourth proportional to 253,313,946.61, 379,999,263.44 and 80,750,723.65 is: 121,135,120.75
Step by Step Solution
- Step 1: Write the proportion equation
253,313,946.61 : 379,999,263.44 = 80,750,723.65 : x - Step 2: Convert to fraction form
253,313,946.61/379,999,263.44 = 80,750,723.65/x - Step 3: Cross multiply
253,313,946.61x = 379,999,263.44 × 80,750,723.65 - Step 4: Simplify right side
253,313,946.61x = 30,685,215,509,246,992 - Step 5: Solve for x
x = 30,685,215,509,246,992/253,313,946.61 - Step 6: Final answer
x = 121,135,120.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.