Finding the Fourth Proportional to 97,624,320.10, 134,723,619.90 and 53,570,933.60
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Solution
The fourth proportional to 97,624,320.10, 134,723,619.90 and 53,570,933.60 is: 73,929,017.78
Step by Step Solution
- Step 1: Write the proportion equation
97,624,320.10 : 134,723,619.90 = 53,570,933.60 : x - Step 2: Convert to fraction form
97,624,320.10/134,723,619.90 = 53,570,933.60/x - Step 3: Cross multiply
97,624,320.10x = 134,723,619.90 × 53,570,933.60 - Step 4: Simplify right side
97,624,320.10x = 7,217,270,096,014,539 - Step 5: Solve for x
x = 7,217,270,096,014,539/97,624,320.10 - Step 6: Final answer
x = 73,929,017.78
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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.