Finding the Fourth Proportional to 118,341,205.20, 177,511,807.80 and 96,817,844.70
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Solution
The fourth proportional to 118,341,205.20, 177,511,807.80 and 96,817,844.70 is: 145,226,767.05
Step by Step Solution
- Step 1: Write the proportion equation
118,341,205.20 : 177,511,807.80 = 96,817,844.70 : x - Step 2: Convert to fraction form
118,341,205.20/177,511,807.80 = 96,817,844.70/x - Step 3: Cross multiply
118,341,205.20x = 177,511,807.80 × 96,817,844.70 - Step 4: Simplify right side
118,341,205.20x = 17,186,310,639,996,650 - Step 5: Solve for x
x = 17,186,310,639,996,650/118,341,205.20 - Step 6: Final answer
x = 145,226,767.05
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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.