Finding the Fourth Proportional to 72,773,321.28, 100,425,810.58 and 44,513,615.02
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Solution
The fourth proportional to 72,773,321.28, 100,425,810.58 and 44,513,615.02 is: 61,427,949.02
Step by Step Solution
- Step 1: Write the proportion equation
72,773,321.28 : 100,425,810.58 = 44,513,615.02 : x - Step 2: Convert to fraction form
72,773,321.28/100,425,810.58 = 44,513,615.02/x - Step 3: Cross multiply
72,773,321.28x = 100,425,810.58 × 44,513,615.02 - Step 4: Simplify right side
72,773,321.28x = 4,470,315,869,504,866 - Step 5: Solve for x
x = 4,470,315,869,504,866/72,773,321.28 - Step 6: Final answer
x = 61,427,949.02
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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.