Finding the Fourth Proportional to 84,038,735.20, 126,058,102.80 and 59,379,872.80
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Solution
The fourth proportional to 84,038,735.20, 126,058,102.80 and 59,379,872.80 is: 89,069,809.20
Step by Step Solution
- Step 1: Write the proportion equation
84,038,735.20 : 126,058,102.80 = 59,379,872.80 : x - Step 2: Convert to fraction form
84,038,735.20/126,058,102.80 = 59,379,872.80/x - Step 3: Cross multiply
84,038,735.20x = 126,058,102.80 × 59,379,872.80 - Step 4: Simplify right side
84,038,735.20x = 7,485,314,109,673,323 - Step 5: Solve for x
x = 7,485,314,109,673,323/84,038,735.20 - Step 6: Final answer
x = 89,069,809.20
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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.