Finding the Fourth Proportional to 61,224,638.32, 84,489,993.30 and 33,722,566.57
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Solution
The fourth proportional to 61,224,638.32, 84,489,993.30 and 33,722,566.57 is: 46,537,137.69
Step by Step Solution
- Step 1: Write the proportion equation
61,224,638.32 : 84,489,993.30 = 33,722,566.57 : x - Step 2: Convert to fraction form
61,224,638.32/84,489,993.30 = 33,722,566.57/x - Step 3: Cross multiply
61,224,638.32x = 84,489,993.30 × 33,722,566.57 - Step 4: Simplify right side
61,224,638.32x = 2,849,219,423,558,104 - Step 5: Solve for x
x = 2,849,219,423,558,104/61,224,638.32 - Step 6: Final answer
x = 46,537,137.69
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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.