Finding the Fourth Proportional to 134,769,989.76, 202,212,695.68 and 42,661,226.13
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Solution
The fourth proportional to 134,769,989.76, 202,212,695.68 and 42,661,226.13 is: 64,010,107.53
Step by Step Solution
- Step 1: Write the proportion equation
134,769,989.76 : 202,212,695.68 = 42,661,226.13 : x - Step 2: Convert to fraction form
134,769,989.76/202,212,695.68 = 42,661,226.13/x - Step 3: Cross multiply
134,769,989.76x = 202,212,695.68 × 42,661,226.13 - Step 4: Simplify right side
134,769,989.76x = 8,626,641,536,548,049 - Step 5: Solve for x
x = 8,626,641,536,548,049/134,769,989.76 - Step 6: Final answer
x = 64,010,107.53
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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.