Finding the Fourth Proportional to 177,816,125.20, 249,480,052.40 and 177,816,125.20
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Solution
The fourth proportional to 177,816,125.20, 249,480,052.40 and 177,816,125.20 is: 249,480,052.40
Step by Step Solution
- Step 1: Write the proportion equation
177,816,125.20 : 249,480,052.40 = 177,816,125.20 : x - Step 2: Convert to fraction form
177,816,125.20/249,480,052.40 = 177,816,125.20/x - Step 3: Cross multiply
177,816,125.20x = 249,480,052.40 × 177,816,125.20 - Step 4: Simplify right side
177,816,125.20x = 44,361,576,232,460,960 - Step 5: Solve for x
x = 44,361,576,232,460,960/177,816,125.20 - Step 6: Final answer
x = 249,480,052.40
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.