Finding the Fourth Proportional to 75,673,180.28, 104,428,987.74 and 40,865,869.70
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Solution
The fourth proportional to 75,673,180.28, 104,428,987.74 and 40,865,869.70 is: 56,394,899.62
Step by Step Solution
- Step 1: Write the proportion equation
75,673,180.28 : 104,428,987.74 = 40,865,869.70 : x - Step 2: Convert to fraction form
75,673,180.28/104,428,987.74 = 40,865,869.70/x - Step 3: Cross multiply
75,673,180.28x = 104,428,987.74 × 40,865,869.70 - Step 4: Simplify right side
75,673,180.28x = 4,267,581,405,885,737.50 - Step 5: Solve for x
x = 4,267,581,405,885,737.50/75,673,180.28 - Step 6: Final answer
x = 56,394,899.62
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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.