Finding the Fourth Proportional to 97,945,121.60, 146,749,720.80 and 63,848,916.80
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Solution
The fourth proportional to 97,945,121.60, 146,749,720.80 and 63,848,916.80 is: 95,663,883.62
Step by Step Solution
- Step 1: Write the proportion equation
97,945,121.60 : 146,749,720.80 = 63,848,916.80 : x - Step 2: Convert to fraction form
97,945,121.60/146,749,720.80 = 63,848,916.80/x - Step 3: Cross multiply
97,945,121.60x = 146,749,720.80 × 63,848,916.80 - Step 4: Simplify right side
97,945,121.60x = 9,369,810,713,782,430 - Step 5: Solve for x
x = 9,369,810,713,782,430/97,945,121.60 - Step 6: Final answer
x = 95,663,883.62
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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.