Finding the Fourth Proportional to 57,759,343.84, 79,708,776.24 and 31,653,649.68
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Solution
The fourth proportional to 57,759,343.84, 79,708,776.24 and 31,653,649.68 is: 43,682,519.78
Step by Step Solution
- Step 1: Write the proportion equation
57,759,343.84 : 79,708,776.24 = 31,653,649.68 : x - Step 2: Convert to fraction form
57,759,343.84/79,708,776.24 = 31,653,649.68/x - Step 3: Cross multiply
57,759,343.84x = 79,708,776.24 × 31,653,649.68 - Step 4: Simplify right side
57,759,343.84x = 2,523,073,679,522,467.50 - Step 5: Solve for x
x = 2,523,073,679,522,467.50/57,759,343.84 - Step 6: Final answer
x = 43,682,519.78
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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.