Finding the Fourth Proportional to 163,747,718.40, 244,949,731.20 and 147,623,404.80
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Solution
The fourth proportional to 163,747,718.40, 244,949,731.20 and 147,623,404.80 is: 220,829,417.83
Step by Step Solution
- Step 1: Write the proportion equation
163,747,718.40 : 244,949,731.20 = 147,623,404.80 : x - Step 2: Convert to fraction form
163,747,718.40/244,949,731.20 = 147,623,404.80/x - Step 3: Cross multiply
163,747,718.40x = 244,949,731.20 × 147,623,404.80 - Step 4: Simplify right side
163,747,718.40x = 36,160,313,324,588,792 - Step 5: Solve for x
x = 36,160,313,324,588,792/163,747,718.40 - Step 6: Final answer
x = 220,829,417.83
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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.