Finding the Fourth Proportional to 79,382,169.84, 118,899,650.68 and 56,283,086.72
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Solution
The fourth proportional to 79,382,169.84, 118,899,650.68 and 56,283,086.72 is: 84,301,542.32
Step by Step Solution
- Step 1: Write the proportion equation
79,382,169.84 : 118,899,650.68 = 56,283,086.72 : x - Step 2: Convert to fraction form
79,382,169.84/118,899,650.68 = 56,283,086.72/x - Step 3: Cross multiply
79,382,169.84x = 118,899,650.68 × 56,283,086.72 - Step 4: Simplify right side
79,382,169.84x = 6,692,039,350,200,147 - Step 5: Solve for x
x = 6,692,039,350,200,147/79,382,169.84 - Step 6: Final answer
x = 84,301,542.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.