Finding the Fourth Proportional to 122,476,197.40, 183,714,296.10 and 83,677,067.80
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Solution
The fourth proportional to 122,476,197.40, 183,714,296.10 and 83,677,067.80 is: 125,515,601.70
Step by Step Solution
- Step 1: Write the proportion equation
122,476,197.40 : 183,714,296.10 = 83,677,067.80 : x - Step 2: Convert to fraction form
122,476,197.40/183,714,296.10 = 83,677,067.80/x - Step 3: Cross multiply
122,476,197.40x = 183,714,296.10 × 83,677,067.80 - Step 4: Simplify right side
122,476,197.40x = 15,372,673,610,588,974 - Step 5: Solve for x
x = 15,372,673,610,588,974/122,476,197.40 - Step 6: Final answer
x = 125,515,601.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.