Finding the Fourth Proportional to 134,464,960.80, 201,697,441.20 and 122,985,835.20
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Solution
The fourth proportional to 134,464,960.80, 201,697,441.20 and 122,985,835.20 is: 184,478,752.80
Step by Step Solution
- Step 1: Write the proportion equation
134,464,960.80 : 201,697,441.20 = 122,985,835.20 : x - Step 2: Convert to fraction form
134,464,960.80/201,697,441.20 = 122,985,835.20/x - Step 3: Cross multiply
134,464,960.80x = 201,697,441.20 × 122,985,835.20 - Step 4: Simplify right side
134,464,960.80x = 24,805,928,263,684,888 - Step 5: Solve for x
x = 24,805,928,263,684,888/134,464,960.80 - Step 6: Final answer
x = 184,478,752.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.