Finding the Fourth Proportional to 57,620,362.96, 79,507,266.12 and 33,169,351.12
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Solution
The fourth proportional to 57,620,362.96, 79,507,266.12 and 33,169,351.12 is: 45,768,618.78
Step by Step Solution
- Step 1: Write the proportion equation
57,620,362.96 : 79,507,266.12 = 33,169,351.12 : x - Step 2: Convert to fraction form
57,620,362.96/79,507,266.12 = 33,169,351.12/x - Step 3: Cross multiply
57,620,362.96x = 79,507,266.12 × 33,169,351.12 - Step 4: Simplify right side
57,620,362.96x = 2,637,204,426,525,560.50 - Step 5: Solve for x
x = 2,637,204,426,525,560.50/57,620,362.96 - Step 6: Final answer
x = 45,768,618.78
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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.