Finding the Fourth Proportional to 184,292,138.49, 254,321,476.80 and 100,660,251.70
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Solution
The fourth proportional to 184,292,138.49, 254,321,476.80 and 100,660,251.70 is: 138,910,232.84
Step by Step Solution
- Step 1: Write the proportion equation
184,292,138.49 : 254,321,476.80 = 100,660,251.70 : x - Step 2: Convert to fraction form
184,292,138.49/254,321,476.80 = 100,660,251.70/x - Step 3: Cross multiply
184,292,138.49x = 254,321,476.80 × 100,660,251.70 - Step 4: Simplify right side
184,292,138.49x = 25,600,063,867,344,136 - Step 5: Solve for x
x = 25,600,063,867,344,136/184,292,138.49 - Step 6: Final answer
x = 138,910,232.84
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1.5x scale
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.