Finding the Fourth Proportional to 91,899,581.58, 126,821,442.56 and 50,083,656.80
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Solution
The fourth proportional to 91,899,581.58, 126,821,442.56 and 50,083,656.80 is: 69,115,457.26
Step by Step Solution
- Step 1: Write the proportion equation
91,899,581.58 : 126,821,442.56 = 50,083,656.80 : x - Step 2: Convert to fraction form
91,899,581.58/126,821,442.56 = 50,083,656.80/x - Step 3: Cross multiply
91,899,581.58x = 126,821,442.56 × 50,083,656.80 - Step 4: Simplify right side
91,899,581.58x = 6,351,681,603,171,428 - Step 5: Solve for x
x = 6,351,681,603,171,428/91,899,581.58 - Step 6: Final answer
x = 69,115,457.26
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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.