Finding the Fourth Proportional to 49,902,781.37, 74,542,980.13 and 36,974,183.19
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Solution
The fourth proportional to 49,902,781.37, 74,542,980.13 and 36,974,183.19 is: 55,230,705.14
Step by Step Solution
- Step 1: Write the proportion equation
49,902,781.37 : 74,542,980.13 = 36,974,183.19 : x - Step 2: Convert to fraction form
49,902,781.37/74,542,980.13 = 36,974,183.19/x - Step 3: Cross multiply
49,902,781.37x = 74,542,980.13 × 36,974,183.19 - Step 4: Simplify right side
49,902,781.37x = 2,756,165,803,267,478 - Step 5: Solve for x
x = 2,756,165,803,267,478/49,902,781.37 - Step 6: Final answer
x = 55,230,705.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.