Finding the Fourth Proportional to 57,562,874.28, 79,436,802.06 and 31,457,391.84
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Solution
The fourth proportional to 57,562,874.28, 79,436,802.06 and 31,457,391.84 is: 43,411,220.17
Step by Step Solution
- Step 1: Write the proportion equation
57,562,874.28 : 79,436,802.06 = 31,457,391.84 : x - Step 2: Convert to fraction form
57,562,874.28/79,436,802.06 = 31,457,391.84/x - Step 3: Cross multiply
57,562,874.28x = 79,436,802.06 × 31,457,391.84 - Step 4: Simplify right side
57,562,874.28x = 2,498,874,608,917,939.50 - Step 5: Solve for x
x = 2,498,874,608,917,939.50/57,562,874.28 - Step 6: Final answer
x = 43,411,220.17
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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.