Finding the Fourth Proportional to 320,699,392.08, 442,566,374.84 and 174,021,676.08
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Solution
The fourth proportional to 320,699,392.08, 442,566,374.84 and 174,021,676.08 is: 240,150,571.62
Step by Step Solution
- Step 1: Write the proportion equation
320,699,392.08 : 442,566,374.84 = 174,021,676.08 : x - Step 2: Convert to fraction form
320,699,392.08/442,566,374.84 = 174,021,676.08/x - Step 3: Cross multiply
320,699,392.08x = 442,566,374.84 × 174,021,676.08 - Step 4: Simplify right side
320,699,392.08x = 77,016,142,326,306,336 - Step 5: Solve for x
x = 77,016,142,326,306,336/320,699,392.08 - Step 6: Final answer
x = 240,150,571.62
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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.