Finding the Fourth Proportional to 75,540,629.12, 104,246,073.24 and 42,945,581.12
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Solution
The fourth proportional to 75,540,629.12, 104,246,073.24 and 42,945,581.12 is: 59,264,904.82
Step by Step Solution
- Step 1: Write the proportion equation
75,540,629.12 : 104,246,073.24 = 42,945,581.12 : x - Step 2: Convert to fraction form
75,540,629.12/104,246,073.24 = 42,945,581.12/x - Step 3: Cross multiply
75,540,629.12x = 104,246,073.24 × 42,945,581.12 - Step 4: Simplify right side
75,540,629.12x = 4,476,908,194,769,880.50 - Step 5: Solve for x
x = 4,476,908,194,769,880.50/75,540,629.12 - Step 6: Final answer
x = 59,264,904.82
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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.