Finding the Fourth Proportional to 118,465,395.70, 177,698,093.55 and 98,310,003.70
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Solution
The fourth proportional to 118,465,395.70, 177,698,093.55 and 98,310,003.70 is: 147,465,005.55
Step by Step Solution
- Step 1: Write the proportion equation
118,465,395.70 : 177,698,093.55 = 98,310,003.70 : x - Step 2: Convert to fraction form
118,465,395.70/177,698,093.55 = 98,310,003.70/x - Step 3: Cross multiply
118,465,395.70x = 177,698,093.55 × 98,310,003.70 - Step 4: Simplify right side
118,465,395.70x = 17,469,500,234,383,448 - Step 5: Solve for x
x = 17,469,500,234,383,448/118,465,395.70 - Step 6: Final answer
x = 147,465,005.55
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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.