Finding the Fourth Proportional to 53,272,894.80, 79,909,342.20 and 27,763,726.80
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Solution
The fourth proportional to 53,272,894.80, 79,909,342.20 and 27,763,726.80 is: 41,645,590.20
Step by Step Solution
- Step 1: Write the proportion equation
53,272,894.80 : 79,909,342.20 = 27,763,726.80 : x - Step 2: Convert to fraction form
53,272,894.80/79,909,342.20 = 27,763,726.80/x - Step 3: Cross multiply
53,272,894.80x = 79,909,342.20 × 27,763,726.80 - Step 4: Simplify right side
53,272,894.80x = 2,218,581,145,608,511 - Step 5: Solve for x
x = 2,218,581,145,608,511/53,272,894.80 - Step 6: Final answer
x = 41,645,590.20
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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.