Finding the Fourth Proportional to 97,752,195.60, 146,722,771.80 and 49,284,776.40
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Solution
The fourth proportional to 97,752,195.60, 146,722,771.80 and 49,284,776.40 is: 73,974,798.79
Step by Step Solution
- Step 1: Write the proportion equation
97,752,195.60 : 146,722,771.80 = 49,284,776.40 : x - Step 2: Convert to fraction form
97,752,195.60/146,722,771.80 = 49,284,776.40/x - Step 3: Cross multiply
97,752,195.60x = 146,722,771.80 × 49,284,776.40 - Step 4: Simplify right side
97,752,195.60x = 7,231,199,000,951,226 - Step 5: Solve for x
x = 7,231,199,000,951,226/97,752,195.60 - Step 6: Final answer
x = 73,974,798.79
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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.