Finding the Fourth Proportional to 57,620,363.96, 79,507,267.50 and 33,169,352.12
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Solution
The fourth proportional to 57,620,363.96, 79,507,267.50 and 33,169,352.12 is: 45,768,620.16
Step by Step Solution
- Step 1: Write the proportion equation
57,620,363.96 : 79,507,267.50 = 33,169,352.12 : x - Step 2: Convert to fraction form
57,620,363.96/79,507,267.50 = 33,169,352.12/x - Step 3: Cross multiply
57,620,363.96x = 79,507,267.50 × 33,169,352.12 - Step 4: Simplify right side
57,620,363.96x = 2,637,204,551,806,532 - Step 5: Solve for x
x = 2,637,204,551,806,532/57,620,363.96 - Step 6: Final answer
x = 45,768,620.16
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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.