Finding the Fourth Proportional to 63,332,891.32, 87,354,324.56 and 58,122,728.32
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Solution
The fourth proportional to 63,332,891.32, 87,354,324.56 and 58,122,728.32 is: 80,168,006.99
Step by Step Solution
- Step 1: Write the proportion equation
63,332,891.32 : 87,354,324.56 = 58,122,728.32 : x - Step 2: Convert to fraction form
63,332,891.32/87,354,324.56 = 58,122,728.32/x - Step 3: Cross multiply
63,332,891.32x = 87,354,324.56 × 58,122,728.32 - Step 4: Simplify right side
63,332,891.32x = 5,077,271,673,977,984 - Step 5: Solve for x
x = 5,077,271,673,977,984/63,332,891.32 - Step 6: Final answer
x = 80,168,006.99
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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.