Finding the Fourth Proportional to 39,040,065.80, 58,211,070.49 and 37,967,470.99
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Solution
The fourth proportional to 39,040,065.80, 58,211,070.49 and 37,967,470.99 is: 56,611,767.55
Step by Step Solution
- Step 1: Write the proportion equation
39,040,065.80 : 58,211,070.49 = 37,967,470.99 : x - Step 2: Convert to fraction form
39,040,065.80/58,211,070.49 = 37,967,470.99/x - Step 3: Cross multiply
39,040,065.80x = 58,211,070.49 × 37,967,470.99 - Step 4: Simplify right side
39,040,065.80x = 2,210,127,129,885,473.50 - Step 5: Solve for x
x = 2,210,127,129,885,473.50/39,040,065.80 - Step 6: Final answer
x = 56,611,767.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.