Finding the Fourth Proportional to 83,878,113.24, 125,824,435.56 and 25,598,902.62
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Solution
The fourth proportional to 83,878,113.24, 125,824,435.56 and 25,598,902.62 is: 38,400,571.36
Step by Step Solution
- Step 1: Write the proportion equation
83,878,113.24 : 125,824,435.56 = 25,598,902.62 : x - Step 2: Convert to fraction form
83,878,113.24/125,824,435.56 = 25,598,902.62/x - Step 3: Cross multiply
83,878,113.24x = 125,824,435.56 × 25,598,902.62 - Step 4: Simplify right side
83,878,113.24x = 3,220,967,473,116,905.50 - Step 5: Solve for x
x = 3,220,967,473,116,905.50/83,878,113.24 - Step 6: Final answer
x = 38,400,571.36
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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.