Finding the Fourth Proportional to 73,838,421.80, 110,757,632.70 and 73,838,421.80
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Solution
The fourth proportional to 73,838,421.80, 110,757,632.70 and 73,838,421.80 is: 110,757,632.70
Step by Step Solution
- Step 1: Write the proportion equation
73,838,421.80 : 110,757,632.70 = 73,838,421.80 : x - Step 2: Convert to fraction form
73,838,421.80/110,757,632.70 = 73,838,421.80/x - Step 3: Cross multiply
73,838,421.80x = 110,757,632.70 × 73,838,421.80 - Step 4: Simplify right side
73,838,421.80x = 8,178,168,800,872,073 - Step 5: Solve for x
x = 8,178,168,800,872,073/73,838,421.80 - Step 6: Final answer
x = 110,757,632.70
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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.