Finding the Fourth Proportional to 163,981,857.11, 245,973,252.59 and 47,406,703.13
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Solution
The fourth proportional to 163,981,857.11, 245,973,252.59 and 47,406,703.13 is: 71,110,189.67
Step by Step Solution
- Step 1: Write the proportion equation
163,981,857.11 : 245,973,252.59 = 47,406,703.13 : x - Step 2: Convert to fraction form
163,981,857.11/245,973,252.59 = 47,406,703.13/x - Step 3: Cross multiply
163,981,857.11x = 245,973,252.59 × 47,406,703.13 - Step 4: Simplify right side
163,981,857.11x = 11,660,780,961,987,734 - Step 5: Solve for x
x = 11,660,780,961,987,734/163,981,857.11 - Step 6: Final answer
x = 71,110,189.67
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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.