Finding the Fourth Proportional to 54,874,582.08, 75,721,464.64 and 31,677,182.32
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Solution
The fourth proportional to 54,874,582.08, 75,721,464.64 and 31,677,182.32 is: 43,711,360.52
Step by Step Solution
- Step 1: Write the proportion equation
54,874,582.08 : 75,721,464.64 = 31,677,182.32 : x - Step 2: Convert to fraction form
54,874,582.08/75,721,464.64 = 31,677,182.32/x - Step 3: Cross multiply
54,874,582.08x = 75,721,464.64 × 31,677,182.32 - Step 4: Simplify right side
54,874,582.08x = 2,398,642,640,938,713 - Step 5: Solve for x
x = 2,398,642,640,938,713/54,874,582.08 - Step 6: Final answer
x = 43,711,360.52
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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.