Finding the Fourth Proportional to 122,280,163.13, 168,747,358.96 and 66,525,983.49
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Solution
The fourth proportional to 122,280,163.13, 168,747,358.96 and 66,525,983.49 is: 91,806,256.46
Step by Step Solution
- Step 1: Write the proportion equation
122,280,163.13 : 168,747,358.96 = 66,525,983.49 : x - Step 2: Convert to fraction form
122,280,163.13/168,747,358.96 = 66,525,983.49/x - Step 3: Cross multiply
122,280,163.13x = 168,747,358.96 × 66,525,983.49 - Step 4: Simplify right side
122,280,163.13x = 11,226,084,016,154,064 - Step 5: Solve for x
x = 11,226,084,016,154,064/122,280,163.13 - Step 6: Final answer
x = 91,806,256.46
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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.