Finding the Fourth Proportional to 131,736,613.60, 197,463,202.80 and 49,823,840.80
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Solution
The fourth proportional to 131,736,613.60, 197,463,202.80 and 49,823,840.80 is: 74,682,162.47
Step by Step Solution
- Step 1: Write the proportion equation
131,736,613.60 : 197,463,202.80 = 49,823,840.80 : x - Step 2: Convert to fraction form
131,736,613.60/197,463,202.80 = 49,823,840.80/x - Step 3: Cross multiply
131,736,613.60x = 197,463,202.80 × 49,823,840.80 - Step 4: Simplify right side
131,736,613.60x = 9,838,375,180,165,314 - Step 5: Solve for x
x = 9,838,375,180,165,314/131,736,613.60 - Step 6: Final answer
x = 74,682,162.47
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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.