Finding the Fourth Proportional to 168,497,220.80, 236,576,353.60 and 168,497,220.80
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Solution
The fourth proportional to 168,497,220.80, 236,576,353.60 and 168,497,220.80 is: 236,576,353.60
Step by Step Solution
- Step 1: Write the proportion equation
168,497,220.80 : 236,576,353.60 = 168,497,220.80 : x - Step 2: Convert to fraction form
168,497,220.80/236,576,353.60 = 168,497,220.80/x - Step 3: Cross multiply
168,497,220.80x = 236,576,353.60 × 168,497,220.80 - Step 4: Simplify right side
168,497,220.80x = 39,862,458,088,598,080 - Step 5: Solve for x
x = 39,862,458,088,598,080/168,497,220.80 - Step 6: Final answer
x = 236,576,353.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.