Finding the Fourth Proportional to 46,128,256.20, 63,658,322.10 and 25,503,030.99
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Solution
The fourth proportional to 46,128,256.20, 63,658,322.10 and 25,503,030.99 is: 35,194,917.28
Step by Step Solution
- Step 1: Write the proportion equation
46,128,256.20 : 63,658,322.10 = 25,503,030.99 : x - Step 2: Convert to fraction form
46,128,256.20/63,658,322.10 = 25,503,030.99/x - Step 3: Cross multiply
46,128,256.20x = 63,658,322.10 × 25,503,030.99 - Step 4: Simplify right side
46,128,256.20x = 1,623,480,161,287,701.75 - Step 5: Solve for x
x = 1,623,480,161,287,701.75/46,128,256.20 - Step 6: Final answer
x = 35,194,917.28
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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.