Finding the Fourth Proportional to 113,888,600.37, 157,165,430.36 and 61,676,424.81
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Solution
The fourth proportional to 113,888,600.37, 157,165,430.36 and 61,676,424.81 is: 85,113,012.33
Step by Step Solution
- Step 1: Write the proportion equation
113,888,600.37 : 157,165,430.36 = 61,676,424.81 : x - Step 2: Convert to fraction form
113,888,600.37/157,165,430.36 = 61,676,424.81/x - Step 3: Cross multiply
113,888,600.37x = 157,165,430.36 × 61,676,424.81 - Step 4: Simplify right side
113,888,600.37x = 9,693,401,848,021,448 - Step 5: Solve for x
x = 9,693,401,848,021,448/113,888,600.37 - Step 6: Final answer
x = 85,113,012.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.