Finding the Fourth Proportional to 57,972,309.85, 79,968,376.19 and 36,204,486.49
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Solution
The fourth proportional to 57,972,309.85, 79,968,376.19 and 36,204,486.49 is: 49,941,325.48
Step by Step Solution
- Step 1: Write the proportion equation
57,972,309.85 : 79,968,376.19 = 36,204,486.49 : x - Step 2: Convert to fraction form
57,972,309.85/79,968,376.19 = 36,204,486.49/x - Step 3: Cross multiply
57,972,309.85x = 79,968,376.19 × 36,204,486.49 - Step 4: Simplify right side
57,972,309.85x = 2,895,213,995,217,070.50 - Step 5: Solve for x
x = 2,895,213,995,217,070.50/57,972,309.85 - Step 6: Final answer
x = 49,941,325.48
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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.