Finding the Fourth Proportional to 320,140,555.24, 441,759,954.09 and 177,063,582.45
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Solution
The fourth proportional to 320,140,555.24, 441,759,954.09 and 177,063,582.45 is: 244,328,932.32
Step by Step Solution
- Step 1: Write the proportion equation
320,140,555.24 : 441,759,954.09 = 177,063,582.45 : x - Step 2: Convert to fraction form
320,140,555.24/441,759,954.09 = 177,063,582.45/x - Step 3: Cross multiply
320,140,555.24x = 441,759,954.09 × 177,063,582.45 - Step 4: Simplify right side
320,140,555.24x = 78,219,600,054,122,912 - Step 5: Solve for x
x = 78,219,600,054,122,912/320,140,555.24 - Step 6: Final answer
x = 244,328,932.32
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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.