Finding the Fourth Proportional to 54,058,991.36, 74,601,421.44 and 29,613,574.40
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Solution
The fourth proportional to 54,058,991.36, 74,601,421.44 and 29,613,574.40 is: 40,866,739.99
Step by Step Solution
- Step 1: Write the proportion equation
54,058,991.36 : 74,601,421.44 = 29,613,574.40 : x - Step 2: Convert to fraction form
54,058,991.36/74,601,421.44 = 29,613,574.40/x - Step 3: Cross multiply
54,058,991.36x = 74,601,421.44 × 29,613,574.40 - Step 4: Simplify right side
54,058,991.36x = 2,209,214,744,159,195 - Step 5: Solve for x
x = 2,209,214,744,159,195/54,058,991.36 - Step 6: Final answer
x = 40,866,739.99
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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.