Finding the Fourth Proportional to 313,965,198.05, 470,911,862.48 and 83,952,218.84
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Solution
The fourth proportional to 313,965,198.05, 470,911,862.48 and 83,952,218.84 is: 125,918,719.58
Step by Step Solution
- Step 1: Write the proportion equation
313,965,198.05 : 470,911,862.48 = 83,952,218.84 : x - Step 2: Convert to fraction form
313,965,198.05/470,911,862.48 = 83,952,218.84/x - Step 3: Cross multiply
313,965,198.05x = 470,911,862.48 × 83,952,218.84 - Step 4: Simplify right side
313,965,198.05x = 39,534,095,730,498,624 - Step 5: Solve for x
x = 39,534,095,730,498,624/313,965,198.05 - Step 6: Final answer
x = 125,918,719.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.