Finding the Fourth Proportional to 115,270,327.50, 159,074,307.99 and 63,058,242.12
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Solution
The fourth proportional to 115,270,327.50, 159,074,307.99 and 63,058,242.12 is: 87,021,061.24
Step by Step Solution
- Step 1: Write the proportion equation
115,270,327.50 : 159,074,307.99 = 63,058,242.12 : x - Step 2: Convert to fraction form
115,270,327.50/159,074,307.99 = 63,058,242.12/x - Step 3: Cross multiply
115,270,327.50x = 159,074,307.99 × 63,058,242.12 - Step 4: Simplify right side
115,270,327.50x = 10,030,946,228,304,870 - Step 5: Solve for x
x = 10,030,946,228,304,870/115,270,327.50 - Step 6: Final answer
x = 87,021,061.24
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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.