Finding the Fourth Proportional to 97,624,321.60, 134,723,621.97 and 53,570,935.10
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Solution
The fourth proportional to 97,624,321.60, 134,723,621.97 and 53,570,935.10 is: 73,929,019.85
Step by Step Solution
- Step 1: Write the proportion equation
97,624,321.60 : 134,723,621.97 = 53,570,935.10 : x - Step 2: Convert to fraction form
97,624,321.60/134,723,621.97 = 53,570,935.10/x - Step 3: Cross multiply
97,624,321.60x = 134,723,621.97 × 53,570,935.10 - Step 4: Simplify right side
97,624,321.60x = 7,217,270,408,991,804 - Step 5: Solve for x
x = 7,217,270,408,991,804/97,624,321.60 - Step 6: Final answer
x = 73,929,019.85
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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.