Finding the Fourth Proportional to 118,202,743.80, 177,304,115.70 and 111,506,587.20
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Solution
The fourth proportional to 118,202,743.80, 177,304,115.70 and 111,506,587.20 is: 167,259,880.80
Step by Step Solution
- Step 1: Write the proportion equation
118,202,743.80 : 177,304,115.70 = 111,506,587.20 : x - Step 2: Convert to fraction form
118,202,743.80/177,304,115.70 = 111,506,587.20/x - Step 3: Cross multiply
118,202,743.80x = 177,304,115.70 × 111,506,587.20 - Step 4: Simplify right side
118,202,743.80x = 19,770,576,838,220,940 - Step 5: Solve for x
x = 19,770,576,838,220,940/118,202,743.80 - Step 6: Final answer
x = 167,259,880.80
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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.