Finding the Fourth Proportional to 163,309,248.20, 244,963,872.30 and 108,889,689.80
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Solution
The fourth proportional to 163,309,248.20, 244,963,872.30 and 108,889,689.80 is: 163,334,534.70
Step by Step Solution
- Step 1: Write the proportion equation
163,309,248.20 : 244,963,872.30 = 108,889,689.80 : x - Step 2: Convert to fraction form
163,309,248.20/244,963,872.30 = 108,889,689.80/x - Step 3: Cross multiply
163,309,248.20x = 244,963,872.30 × 108,889,689.80 - Step 4: Simplify right side
163,309,248.20x = 26,674,040,066,953,812 - Step 5: Solve for x
x = 26,674,040,066,953,812/163,309,248.20 - Step 6: Final answer
x = 163,334,534.70
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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.