Finding the Fourth Proportional to 146,771,297.20, 202,544,519.70 and 80,692,919.72
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Solution
The fourth proportional to 146,771,297.20, 202,544,519.70 and 80,692,919.72 is: 111,356,300.45
Step by Step Solution
- Step 1: Write the proportion equation
146,771,297.20 : 202,544,519.70 = 80,692,919.72 : x - Step 2: Convert to fraction form
146,771,297.20/202,544,519.70 = 80,692,919.72/x - Step 3: Cross multiply
146,771,297.20x = 202,544,519.70 × 80,692,919.72 - Step 4: Simplify right side
146,771,297.20x = 16,343,908,667,878,058 - Step 5: Solve for x
x = 16,343,908,667,878,058/146,771,297.20 - Step 6: Final answer
x = 111,356,300.45
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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.