Finding the Fourth Proportional to 122,560,429.52, 169,128,302.54 and 66,804,623.24
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Solution
The fourth proportional to 122,560,429.52, 169,128,302.54 and 66,804,623.24 is: 92,187,605.52
Step by Step Solution
- Step 1: Write the proportion equation
122,560,429.52 : 169,128,302.54 = 66,804,623.24 : x - Step 2: Convert to fraction form
122,560,429.52/169,128,302.54 = 66,804,623.24/x - Step 3: Cross multiply
122,560,429.52x = 169,128,302.54 × 66,804,623.24 - Step 4: Simplify right side
122,560,429.52x = 11,298,552,529,225,770 - Step 5: Solve for x
x = 11,298,552,529,225,770/122,560,429.52 - Step 6: Final answer
x = 92,187,605.52
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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.