Finding the Fourth Proportional to 236,202,494.80, 354,303,742.20 and 74,644,430.80
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Solution
The fourth proportional to 236,202,494.80, 354,303,742.20 and 74,644,430.80 is: 111,966,646.20
Step by Step Solution
- Step 1: Write the proportion equation
236,202,494.80 : 354,303,742.20 = 74,644,430.80 : x - Step 2: Convert to fraction form
236,202,494.80/354,303,742.20 = 74,644,430.80/x - Step 3: Cross multiply
236,202,494.80x = 354,303,742.20 × 74,644,430.80 - Step 4: Simplify right side
236,202,494.80x = 26,446,801,166,828,936 - Step 5: Solve for x
x = 26,446,801,166,828,936/236,202,494.80 - Step 6: Final answer
x = 111,966,646.20
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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.