Finding the Fourth Proportional to 160,172,866.36, 221,055,030.30 and 97,453,416.97
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Solution
The fourth proportional to 160,172,866.36, 221,055,030.30 and 97,453,416.97 is: 134,495,739.08
Step by Step Solution
- Step 1: Write the proportion equation
160,172,866.36 : 221,055,030.30 = 97,453,416.97 : x - Step 2: Convert to fraction form
160,172,866.36/221,055,030.30 = 97,453,416.97/x - Step 3: Cross multiply
160,172,866.36x = 221,055,030.30 × 97,453,416.97 - Step 4: Simplify right side
160,172,866.36x = 21,542,568,041,141,884 - Step 5: Solve for x
x = 21,542,568,041,141,884/160,172,866.36 - Step 6: Final answer
x = 134,495,739.08
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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.