Finding the Fourth Proportional to 53,221,067.55, 73,444,934.99 and 29,699,357.50
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Solution
The fourth proportional to 53,221,067.55, 73,444,934.99 and 29,699,357.50 is: 40,985,036.22
Step by Step Solution
- Step 1: Write the proportion equation
53,221,067.55 : 73,444,934.99 = 29,699,357.50 : x - Step 2: Convert to fraction form
53,221,067.55/73,444,934.99 = 29,699,357.50/x - Step 3: Cross multiply
53,221,067.55x = 73,444,934.99 × 29,699,357.50 - Step 4: Simplify right side
53,221,067.55x = 2,181,267,380,998,323.50 - Step 5: Solve for x
x = 2,181,267,380,998,323.50/53,221,067.55 - Step 6: Final answer
x = 40,985,036.22
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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.