Finding the Fourth Proportional to 97,176,650.74, 133,389,949.30 and 85,916,744.55
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Solution
The fourth proportional to 97,176,650.74, 133,389,949.30 and 85,916,744.55 is: 117,933,990.44
Step by Step Solution
- Step 1: Write the proportion equation
97,176,650.74 : 133,389,949.30 = 85,916,744.55 : x - Step 2: Convert to fraction form
97,176,650.74/133,389,949.30 = 85,916,744.55/x - Step 3: Cross multiply
97,176,650.74x = 133,389,949.30 × 85,916,744.55 - Step 4: Simplify right side
97,176,650.74x = 11,460,430,199,330,760 - Step 5: Solve for x
x = 11,460,430,199,330,760/97,176,650.74 - Step 6: Final answer
x = 117,933,990.44
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.