Finding the Fourth Proportional to 240,084,305.47, 331,214,888.58 and 160,724,933.54
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Solution
The fourth proportional to 240,084,305.47, 331,214,888.58 and 160,724,933.54 is: 221,732,490.39
Step by Step Solution
- Step 1: Write the proportion equation
240,084,305.47 : 331,214,888.58 = 160,724,933.54 : x - Step 2: Convert to fraction form
240,084,305.47/331,214,888.58 = 160,724,933.54/x - Step 3: Cross multiply
240,084,305.47x = 331,214,888.58 × 160,724,933.54 - Step 4: Simplify right side
240,084,305.47x = 53,234,490,954,479,000 - Step 5: Solve for x
x = 53,234,490,954,479,000/240,084,305.47 - Step 6: Final answer
x = 221,732,490.39
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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.