Finding the Fourth Proportional to 163,316,449.46, 244,904,922.56 and 75,823,989.03
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Solution
The fourth proportional to 163,316,449.46, 244,904,922.56 and 75,823,989.03 is: 113,703,599.50
Step by Step Solution
- Step 1: Write the proportion equation
163,316,449.46 : 244,904,922.56 = 75,823,989.03 : x - Step 2: Convert to fraction form
163,316,449.46/244,904,922.56 = 75,823,989.03/x - Step 3: Cross multiply
163,316,449.46x = 244,904,922.56 × 75,823,989.03 - Step 4: Simplify right side
163,316,449.46x = 18,569,668,161,772,000 - Step 5: Solve for x
x = 18,569,668,161,772,000/163,316,449.46 - Step 6: Final answer
x = 113,703,599.50
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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.