Finding the Fourth Proportional to 201,906,014.60, 302,859,021.90 and 144,575,121.80
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Solution
The fourth proportional to 201,906,014.60, 302,859,021.90 and 144,575,121.80 is: 216,862,682.70
Step by Step Solution
- Step 1: Write the proportion equation
201,906,014.60 : 302,859,021.90 = 144,575,121.80 : x - Step 2: Convert to fraction form
201,906,014.60/302,859,021.90 = 144,575,121.80/x - Step 3: Cross multiply
201,906,014.60x = 302,859,021.90 × 144,575,121.80 - Step 4: Simplify right side
201,906,014.60x = 43,785,879,979,421,368 - Step 5: Solve for x
x = 43,785,879,979,421,368/201,906,014.60 - Step 6: Final answer
x = 216,862,682.70
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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.