Finding the Fourth Proportional to 91,621,457.78, 137,497,755.66 and 33,329,023.09
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Solution
The fourth proportional to 91,621,457.78, 137,497,755.66 and 33,329,023.09 is: 50,017,386.58
Step by Step Solution
- Step 1: Write the proportion equation
91,621,457.78 : 137,497,755.66 = 33,329,023.09 : x - Step 2: Convert to fraction form
91,621,457.78/137,497,755.66 = 33,329,023.09/x - Step 3: Cross multiply
91,621,457.78x = 137,497,755.66 × 33,329,023.09 - Step 4: Simplify right side
91,621,457.78x = 4,582,665,873,215,318 - Step 5: Solve for x
x = 4,582,665,873,215,318/91,621,457.78 - Step 6: Final answer
x = 50,017,386.58
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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.