Finding the Fourth Proportional to 88,979,551.20, 133,469,326.80 and 37,863,237.60
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Solution
The fourth proportional to 88,979,551.20, 133,469,326.80 and 37,863,237.60 is: 56,794,856.40
Step by Step Solution
- Step 1: Write the proportion equation
88,979,551.20 : 133,469,326.80 = 37,863,237.60 : x - Step 2: Convert to fraction form
88,979,551.20/133,469,326.80 = 37,863,237.60/x - Step 3: Cross multiply
88,979,551.20x = 133,469,326.80 × 37,863,237.60 - Step 4: Simplify right side
88,979,551.20x = 5,053,580,832,940,448 - Step 5: Solve for x
x = 5,053,580,832,940,448/88,979,551.20 - Step 6: Final answer
x = 56,794,856.40
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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.