Finding the Fourth Proportional to 118,847,474.05, 166,688,794.55 and 118,847,474.05
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Solution
The fourth proportional to 118,847,474.05, 166,688,794.55 and 118,847,474.05 is: 166,688,794.55
Step by Step Solution
- Step 1: Write the proportion equation
118,847,474.05 : 166,688,794.55 = 118,847,474.05 : x - Step 2: Convert to fraction form
118,847,474.05/166,688,794.55 = 118,847,474.05/x - Step 3: Cross multiply
118,847,474.05x = 166,688,794.55 × 118,847,474.05 - Step 4: Simplify right side
118,847,474.05x = 19,810,542,184,706,908 - Step 5: Solve for x
x = 19,810,542,184,706,908/118,847,474.05 - Step 6: Final answer
x = 166,688,794.55
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.