Finding the Fourth Proportional to 101,151,099.17, 139,588,515.17 and 54,741,353.09
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Solution
The fourth proportional to 101,151,099.17, 139,588,515.17 and 54,741,353.09 is: 75,543,066.35
Step by Step Solution
- Step 1: Write the proportion equation
101,151,099.17 : 139,588,515.17 = 54,741,353.09 : x - Step 2: Convert to fraction form
101,151,099.17/139,588,515.17 = 54,741,353.09/x - Step 3: Cross multiply
101,151,099.17x = 139,588,515.17 × 54,741,353.09 - Step 4: Simplify right side
101,151,099.17x = 7,641,264,196,229,791 - Step 5: Solve for x
x = 7,641,264,196,229,791/101,151,099.17 - Step 6: Final answer
x = 75,543,066.35
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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.