Finding the Fourth Proportional to 50,507,438.49, 75,761,316.30 and 14,115,588.99
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Solution
The fourth proportional to 50,507,438.49, 75,761,316.30 and 14,115,588.99 is: 21,173,427.80
Step by Step Solution
- Step 1: Write the proportion equation
50,507,438.49 : 75,761,316.30 = 14,115,588.99 : x - Step 2: Convert to fraction form
50,507,438.49/75,761,316.30 = 14,115,588.99/x - Step 3: Cross multiply
50,507,438.49x = 75,761,316.30 × 14,115,588.99 - Step 4: Simplify right side
50,507,438.49x = 1,069,415,602,232,187.50 - Step 5: Solve for x
x = 1,069,415,602,232,187.50/50,507,438.49 - Step 6: Final answer
x = 21,173,427.80
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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.