Finding the Fourth Proportional to 203,955,249,665.80, 305,932,874,498.70 and 115,795,565,057.80
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Solution
The fourth proportional to 203,955,249,665.80, 305,932,874,498.70 and 115,795,565,057.80 is: 173,693,347,586.70
Step by Step Solution
- Step 1: Write the proportion equation
203,955,249,665.80 : 305,932,874,498.70 = 115,795,565,057.80 : x - Step 2: Convert to fraction form
203,955,249,665.80/305,932,874,498.70 = 115,795,565,057.80/x - Step 3: Cross multiply
203,955,249,665.80x = 305,932,874,498.70 × 115,795,565,057.80 - Step 4: Simplify right side
203,955,249,665.80x = 35,425,670,072,333,982,760,960 - Step 5: Solve for x
x = 35,425,670,072,333,982,760,960/203,955,249,665.80 - Step 6: Final answer
x = 173,693,347,586.70
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1.5x scale
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.