Finding the Fourth Proportional to 53,146,852.24, 73,342,656.48 and 28,700,566.24
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Solution
The fourth proportional to 53,146,852.24, 73,342,656.48 and 28,700,566.24 is: 39,606,781.62
Step by Step Solution
- Step 1: Write the proportion equation
53,146,852.24 : 73,342,656.48 = 28,700,566.24 : x - Step 2: Convert to fraction form
53,146,852.24/73,342,656.48 = 28,700,566.24/x - Step 3: Cross multiply
53,146,852.24x = 73,342,656.48 × 28,700,566.24 - Step 4: Simplify right side
53,146,852.24x = 2,104,975,770,521,805.25 - Step 5: Solve for x
x = 2,104,975,770,521,805.25/53,146,852.24 - Step 6: Final answer
x = 39,606,781.62
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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.