Finding the Fourth Proportional to 74,314,135.80, 111,471,203.70 and 57,308,023.80
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Solution
The fourth proportional to 74,314,135.80, 111,471,203.70 and 57,308,023.80 is: 85,962,035.70
Step by Step Solution
- Step 1: Write the proportion equation
74,314,135.80 : 111,471,203.70 = 57,308,023.80 : x - Step 2: Convert to fraction form
74,314,135.80/111,471,203.70 = 57,308,023.80/x - Step 3: Cross multiply
74,314,135.80x = 111,471,203.70 × 57,308,023.80 - Step 4: Simplify right side
74,314,135.80x = 6,388,194,394,654,248 - Step 5: Solve for x
x = 6,388,194,394,654,248/74,314,135.80 - Step 6: Final answer
x = 85,962,035.70
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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.