Finding the Fourth Proportional to 49,831,036.20, 74,604,836.70 and 38,399,149.80
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Solution
The fourth proportional to 49,831,036.20, 74,604,836.70 and 38,399,149.80 is: 57,489,518.96
Step by Step Solution
- Step 1: Write the proportion equation
49,831,036.20 : 74,604,836.70 = 38,399,149.80 : x - Step 2: Convert to fraction form
49,831,036.20/74,604,836.70 = 38,399,149.80/x - Step 3: Cross multiply
49,831,036.20x = 74,604,836.70 × 38,399,149.80 - Step 4: Simplify right side
49,831,036.20x = 2,864,762,300,247,837.50 - Step 5: Solve for x
x = 2,864,762,300,247,837.50/49,831,036.20 - Step 6: Final answer
x = 57,489,518.96
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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.