Finding the Fourth Proportional to 49,355,520.18, 68,181,564.55 and 39,419,357.41
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Solution
The fourth proportional to 49,355,520.18, 68,181,564.55 and 39,419,357.41 is: 54,455,377.07
Step by Step Solution
- Step 1: Write the proportion equation
49,355,520.18 : 68,181,564.55 = 39,419,357.41 : x - Step 2: Convert to fraction form
49,355,520.18/68,181,564.55 = 39,419,357.41/x - Step 3: Cross multiply
49,355,520.18x = 68,181,564.55 × 39,419,357.41 - Step 4: Simplify right side
49,355,520.18x = 2,687,673,461,903,937 - Step 5: Solve for x
x = 2,687,673,461,903,937/49,355,520.18 - Step 6: Final answer
x = 54,455,377.07
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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.