Finding the Fourth Proportional to 219,232,935.16, 302,502,994.18 and 125,104,105.24
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Solution
The fourth proportional to 219,232,935.16, 302,502,994.18 and 125,104,105.24 is: 172,621,720.33
Step by Step Solution
- Step 1: Write the proportion equation
219,232,935.16 : 302,502,994.18 = 125,104,105.24 : x - Step 2: Convert to fraction form
219,232,935.16/302,502,994.18 = 125,104,105.24/x - Step 3: Cross multiply
219,232,935.16x = 302,502,994.18 × 125,104,105.24 - Step 4: Simplify right side
219,232,935.16x = 37,844,366,419,309,824 - Step 5: Solve for x
x = 37,844,366,419,309,824/219,232,935.16 - Step 6: Final answer
x = 172,621,720.33
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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.