Finding the Fourth Proportional to 110,384,164.48, 152,338,198.08 and 63,986,396.80
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Solution
The fourth proportional to 110,384,164.48, 152,338,198.08 and 63,986,396.80 is: 88,305,894.56
Step by Step Solution
- Step 1: Write the proportion equation
110,384,164.48 : 152,338,198.08 = 63,986,396.80 : x - Step 2: Convert to fraction form
110,384,164.48/152,338,198.08 = 63,986,396.80/x - Step 3: Cross multiply
110,384,164.48x = 152,338,198.08 × 63,986,396.80 - Step 4: Simplify right side
110,384,164.48x = 9,747,572,390,143,878 - Step 5: Solve for x
x = 9,747,572,390,143,878/110,384,164.48 - Step 6: Final answer
x = 88,305,894.56
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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.