Finding the Fourth Proportional to 251,069,358.11, 346,479,857.51 and 138,043,625.49
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Solution
The fourth proportional to 251,069,358.11, 346,479,857.51 and 138,043,625.49 is: 190,502,481.27
Step by Step Solution
- Step 1: Write the proportion equation
251,069,358.11 : 346,479,857.51 = 138,043,625.49 : x - Step 2: Convert to fraction form
251,069,358.11/346,479,857.51 = 138,043,625.49/x - Step 3: Cross multiply
251,069,358.11x = 346,479,857.51 × 138,043,625.49 - Step 4: Simplify right side
251,069,358.11x = 47,829,335,689,248,792 - Step 5: Solve for x
x = 47,829,335,689,248,792/251,069,358.11 - Step 6: Final answer
x = 190,502,481.27
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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.