Finding the Fourth Proportional to 231,997,327.08, 347,921,558.34 and 76,516,177.80
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Solution
The fourth proportional to 231,997,327.08, 347,921,558.34 and 76,516,177.80 is: 114,749,717.82
Step by Step Solution
- Step 1: Write the proportion equation
231,997,327.08 : 347,921,558.34 = 76,516,177.80 : x - Step 2: Convert to fraction form
231,997,327.08/347,921,558.34 = 76,516,177.80/x - Step 3: Cross multiply
231,997,327.08x = 347,921,558.34 × 76,516,177.80 - Step 4: Simplify right side
231,997,327.08x = 26,621,627,818,396,508 - Step 5: Solve for x
x = 26,621,627,818,396,508/231,997,327.08 - Step 6: Final answer
x = 114,749,717.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.