Finding the Fourth Proportional to 132,678,497.70, 199,017,746.55 and 93,936,448.80
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Solution
The fourth proportional to 132,678,497.70, 199,017,746.55 and 93,936,448.80 is: 140,904,673.20
Step by Step Solution
- Step 1: Write the proportion equation
132,678,497.70 : 199,017,746.55 = 93,936,448.80 : x - Step 2: Convert to fraction form
132,678,497.70/199,017,746.55 = 93,936,448.80/x - Step 3: Cross multiply
132,678,497.70x = 199,017,746.55 × 93,936,448.80 - Step 4: Simplify right side
132,678,497.70x = 18,695,020,359,085,452 - Step 5: Solve for x
x = 18,695,020,359,085,452/132,678,497.70 - Step 6: Final answer
x = 140,904,673.20
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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.