Finding the Fourth Proportional to 76,801,889.24, 115,202,944.73 and 31,363,683.74
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Solution
The fourth proportional to 76,801,889.24, 115,202,944.73 and 31,363,683.74 is: 47,045,570.89
Step by Step Solution
- Step 1: Write the proportion equation
76,801,889.24 : 115,202,944.73 = 31,363,683.74 : x - Step 2: Convert to fraction form
76,801,889.24/115,202,944.73 = 31,363,683.74/x - Step 3: Cross multiply
76,801,889.24x = 115,202,944.73 × 31,363,683.74 - Step 4: Simplify right side
76,801,889.24x = 3,613,188,724,428,419.50 - Step 5: Solve for x
x = 3,613,188,724,428,419.50/76,801,889.24 - Step 6: Final answer
x = 47,045,570.89
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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.