Finding the Fourth Proportional to 259,218,993.02, 388,763,771.60 and 101,684,027.60
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Solution
The fourth proportional to 259,218,993.02, 388,763,771.60 and 101,684,027.60 is: 152,500,654.45
Step by Step Solution
- Step 1: Write the proportion equation
259,218,993.02 : 388,763,771.60 = 101,684,027.60 : x - Step 2: Convert to fraction form
259,218,993.02/388,763,771.60 = 101,684,027.60/x - Step 3: Cross multiply
259,218,993.02x = 388,763,771.60 × 101,684,027.60 - Step 4: Simplify right side
259,218,993.02x = 39,531,066,081,254,496 - Step 5: Solve for x
x = 39,531,066,081,254,496/259,218,993.02 - Step 6: Final answer
x = 152,500,654.45
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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.