Finding the Fourth Proportional to 61,203,554.20, 91,805,331.30 and 15,765,348.70
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Solution
The fourth proportional to 61,203,554.20, 91,805,331.30 and 15,765,348.70 is: 23,648,023.05
Step by Step Solution
- Step 1: Write the proportion equation
61,203,554.20 : 91,805,331.30 = 15,765,348.70 : x - Step 2: Convert to fraction form
61,203,554.20/91,805,331.30 = 15,765,348.70/x - Step 3: Cross multiply
61,203,554.20x = 91,805,331.30 × 15,765,348.70 - Step 4: Simplify right side
61,203,554.20x = 1,447,343,060,463,524.25 - Step 5: Solve for x
x = 1,447,343,060,463,524.25/61,203,554.20 - Step 6: Final answer
x = 23,648,023.05
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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.