Finding the Fourth Proportional to 104,292,122.80, 146,311,302.80 and 104,292,122.80
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Solution
The fourth proportional to 104,292,122.80, 146,311,302.80 and 104,292,122.80 is: 146,311,302.80
Step by Step Solution
- Step 1: Write the proportion equation
104,292,122.80 : 146,311,302.80 = 104,292,122.80 : x - Step 2: Convert to fraction form
104,292,122.80/146,311,302.80 = 104,292,122.80/x - Step 3: Cross multiply
104,292,122.80x = 146,311,302.80 × 104,292,122.80 - Step 4: Simplify right side
104,292,122.80x = 15,259,116,358,645,584 - Step 5: Solve for x
x = 15,259,116,358,645,584/104,292,122.80 - Step 6: Final answer
x = 146,311,302.80
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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.