Finding the Fourth Proportional to 251,069,362.11, 346,479,863.03 and 138,043,629.49
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Solution
The fourth proportional to 251,069,362.11, 346,479,863.03 and 138,043,629.49 is: 190,502,486.79
Step by Step Solution
- Step 1: Write the proportion equation
251,069,362.11 : 346,479,863.03 = 138,043,629.49 : x - Step 2: Convert to fraction form
251,069,362.11/346,479,863.03 = 138,043,629.49/x - Step 3: Cross multiply
251,069,362.11x = 346,479,863.03 × 138,043,629.49 - Step 4: Simplify right side
251,069,362.11x = 47,829,337,837,859,272 - Step 5: Solve for x
x = 47,829,337,837,859,272/251,069,362.11 - Step 6: Final answer
x = 190,502,486.79
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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.