Finding the Fourth Proportional to 93,313,998.45, 139,970,997.68 and 84,244,072.05
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Solution
The fourth proportional to 93,313,998.45, 139,970,997.68 and 84,244,072.05 is: 126,366,108.08
Step by Step Solution
- Step 1: Write the proportion equation
93,313,998.45 : 139,970,997.68 = 84,244,072.05 : x - Step 2: Convert to fraction form
93,313,998.45/139,970,997.68 = 84,244,072.05/x - Step 3: Cross multiply
93,313,998.45x = 139,970,997.68 × 84,244,072.05 - Step 4: Simplify right side
93,313,998.45x = 11,791,726,813,043,084 - Step 5: Solve for x
x = 11,791,726,813,043,084/93,313,998.45 - Step 6: Final answer
x = 126,366,108.08
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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.