Finding the Fourth Proportional to 140,855,728.80, 211,283,593.20 and 97,017,751.20
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Solution
The fourth proportional to 140,855,728.80, 211,283,593.20 and 97,017,751.20 is: 145,526,626.80
Step by Step Solution
- Step 1: Write the proportion equation
140,855,728.80 : 211,283,593.20 = 97,017,751.20 : x - Step 2: Convert to fraction form
140,855,728.80/211,283,593.20 = 97,017,751.20/x - Step 3: Cross multiply
140,855,728.80x = 211,283,593.20 × 97,017,751.20 - Step 4: Simplify right side
140,855,728.80x = 20,498,259,077,719,612 - Step 5: Solve for x
x = 20,498,259,077,719,612/140,855,728.80 - Step 6: Final answer
x = 145,526,626.80
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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.