Finding the Fourth Proportional to 248,707,844.80, 372,389,920.80 and 194,960,132.80
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Solution
The fourth proportional to 248,707,844.80, 372,389,920.80 and 194,960,132.80 is: 291,913,544.07
Step by Step Solution
- Step 1: Write the proportion equation
248,707,844.80 : 372,389,920.80 = 194,960,132.80 : x - Step 2: Convert to fraction form
248,707,844.80/372,389,920.80 = 194,960,132.80/x - Step 3: Cross multiply
248,707,844.80x = 372,389,920.80 × 194,960,132.80 - Step 4: Simplify right side
248,707,844.80x = 72,601,188,412,549,488 - Step 5: Solve for x
x = 72,601,188,412,549,488/248,707,844.80 - Step 6: Final answer
x = 291,913,544.07
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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.