Finding the Fourth Proportional to 239,653,982.60, 330,719,262.36 and 133,809,028.24
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Solution
The fourth proportional to 239,653,982.60, 330,719,262.36 and 133,809,028.24 is: 184,654,653.50
Step by Step Solution
- Step 1: Write the proportion equation
239,653,982.60 : 330,719,262.36 = 133,809,028.24 : x - Step 2: Convert to fraction form
239,653,982.60/330,719,262.36 = 133,809,028.24/x - Step 3: Cross multiply
239,653,982.60x = 330,719,262.36 × 133,809,028.24 - Step 4: Simplify right side
239,653,982.60x = 44,253,223,116,641,208 - Step 5: Solve for x
x = 44,253,223,116,641,208/239,653,982.60 - Step 6: Final answer
x = 184,654,653.50
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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.