Finding the Fourth Proportional to 225,938,444.21, 311,777,941.75 and 126,800,044.75
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Solution
The fourth proportional to 225,938,444.21, 311,777,941.75 and 126,800,044.75 is: 174,974,458.66
Step by Step Solution
- Step 1: Write the proportion equation
225,938,444.21 : 311,777,941.75 = 126,800,044.75 : x - Step 2: Convert to fraction form
225,938,444.21/311,777,941.75 = 126,800,044.75/x - Step 3: Cross multiply
225,938,444.21x = 311,777,941.75 × 126,800,044.75 - Step 4: Simplify right side
225,938,444.21x = 39,533,456,965,962,896 - Step 5: Solve for x
x = 39,533,456,965,962,896/225,938,444.21 - Step 6: Final answer
x = 174,974,458.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.