Finding the Fourth Proportional to 57,378,725.97, 79,184,301.35 and 31,274,934.54
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Solution
The fourth proportional to 57,378,725.97, 79,184,301.35 and 31,274,934.54 is: 43,160,314.20
Step by Step Solution
- Step 1: Write the proportion equation
57,378,725.97 : 79,184,301.35 = 31,274,934.54 : x - Step 2: Convert to fraction form
57,378,725.97/79,184,301.35 = 31,274,934.54/x - Step 3: Cross multiply
57,378,725.97x = 79,184,301.35 × 31,274,934.54 - Step 4: Simplify right side
57,378,725.97x = 2,476,483,841,160,509 - Step 5: Solve for x
x = 2,476,483,841,160,509/57,378,725.97 - Step 6: Final answer
x = 43,160,314.20
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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.