Finding the Fourth Proportional to 97,286,954.87, 134,259,009.40 and 53,235,810.38
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Solution
The fourth proportional to 97,286,954.87, 134,259,009.40 and 53,235,810.38 is: 73,467,066.33
Step by Step Solution
- Step 1: Write the proportion equation
97,286,954.87 : 134,259,009.40 = 53,235,810.38 : x - Step 2: Convert to fraction form
97,286,954.87/134,259,009.40 = 53,235,810.38/x - Step 3: Cross multiply
97,286,954.87x = 134,259,009.40 × 53,235,810.38 - Step 4: Simplify right side
97,286,954.87x = 7,147,387,166,627,230 - Step 5: Solve for x
x = 7,147,387,166,627,230/97,286,954.87 - Step 6: Final answer
x = 73,467,066.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.