Finding the Fourth Proportional to 276,267,794.75, 381,247,617.30 and 150,819,990.66
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Solution
The fourth proportional to 276,267,794.75, 381,247,617.30 and 150,819,990.66 is: 208,130,528.32
Step by Step Solution
- Step 1: Write the proportion equation
276,267,794.75 : 381,247,617.30 = 150,819,990.66 : x - Step 2: Convert to fraction form
276,267,794.75/381,247,617.30 = 150,819,990.66/x - Step 3: Cross multiply
276,267,794.75x = 381,247,617.30 × 150,819,990.66 - Step 4: Simplify right side
276,267,794.75x = 57,499,762,080,333,256 - Step 5: Solve for x
x = 57,499,762,080,333,256/276,267,794.75 - Step 6: Final answer
x = 208,130,528.32
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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.