Finding the Fourth Proportional to 135,943,758.09, 204,058,266.12 and 120,480,522.69
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Solution
The fourth proportional to 135,943,758.09, 204,058,266.12 and 120,480,522.69 is: 180,847,189.36
Step by Step Solution
- Step 1: Write the proportion equation
135,943,758.09 : 204,058,266.12 = 120,480,522.69 : x - Step 2: Convert to fraction form
135,943,758.09/204,058,266.12 = 120,480,522.69/x - Step 3: Cross multiply
135,943,758.09x = 204,058,266.12 × 120,480,522.69 - Step 4: Simplify right side
135,943,758.09x = 24,585,046,561,352,720 - Step 5: Solve for x
x = 24,585,046,561,352,720/135,943,758.09 - Step 6: Final answer
x = 180,847,189.36
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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.