Finding the Fourth Proportional to 75,222,552.11, 103,763,141.39 and 47,301,072.08
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Solution
The fourth proportional to 75,222,552.11, 103,763,141.39 and 47,301,072.08 is: 65,247,823.85
Step by Step Solution
- Step 1: Write the proportion equation
75,222,552.11 : 103,763,141.39 = 47,301,072.08 : x - Step 2: Convert to fraction form
75,222,552.11/103,763,141.39 = 47,301,072.08/x - Step 3: Cross multiply
75,222,552.11x = 103,763,141.39 × 47,301,072.08 - Step 4: Simplify right side
75,222,552.11x = 4,908,107,829,380,301 - Step 5: Solve for x
x = 4,908,107,829,380,301/75,222,552.11 - Step 6: Final answer
x = 65,247,823.85
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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.