Finding the Fourth Proportional to 55,576,579.17, 76,730,540.70 and 35,764,766.09
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Solution
The fourth proportional to 55,576,579.17, 76,730,540.70 and 35,764,766.09 is: 49,377,811.32
Step by Step Solution
- Step 1: Write the proportion equation
55,576,579.17 : 76,730,540.70 = 35,764,766.09 : x - Step 2: Convert to fraction form
55,576,579.17/76,730,540.70 = 35,764,766.09/x - Step 3: Cross multiply
55,576,579.17x = 76,730,540.70 × 35,764,766.09 - Step 4: Simplify right side
55,576,579.17x = 2,744,249,839,931,752.50 - Step 5: Solve for x
x = 2,744,249,839,931,752.50/55,576,579.17 - Step 6: Final answer
x = 49,377,811.32
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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.