Finding the Fourth Proportional to 101,232,357.99, 139,699,958.49 and 54,821,549.85
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Solution
The fourth proportional to 101,232,357.99, 139,699,958.49 and 54,821,549.85 is: 75,653,362.13
Step by Step Solution
- Step 1: Write the proportion equation
101,232,357.99 : 139,699,958.49 = 54,821,549.85 : x - Step 2: Convert to fraction form
101,232,357.99/139,699,958.49 = 54,821,549.85/x - Step 3: Cross multiply
101,232,357.99x = 139,699,958.49 × 54,821,549.85 - Step 4: Simplify right side
101,232,357.99x = 7,658,568,238,402,466 - Step 5: Solve for x
x = 7,658,568,238,402,466/101,232,357.99 - Step 6: Final answer
x = 75,653,362.13
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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.