Finding the Fourth Proportional to 162,861,869.80, 244,292,804.70 and 137,352,701.80
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Solution
The fourth proportional to 162,861,869.80, 244,292,804.70 and 137,352,701.80 is: 206,029,052.70
Step by Step Solution
- Step 1: Write the proportion equation
162,861,869.80 : 244,292,804.70 = 137,352,701.80 : x - Step 2: Convert to fraction form
162,861,869.80/244,292,804.70 = 137,352,701.80/x - Step 3: Cross multiply
162,861,869.80x = 244,292,804.70 × 137,352,701.80 - Step 4: Simplify right side
162,861,869.80x = 33,554,276,755,844,740 - Step 5: Solve for x
x = 33,554,276,755,844,740/162,861,869.80 - Step 6: Final answer
x = 206,029,052.70
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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.