Finding the Fourth Proportional to 64,563,213.09, 96,863,687.52 and 20,842,945.75
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Solution
The fourth proportional to 64,563,213.09, 96,863,687.52 and 20,842,945.75 is: 31,270,509.75
Step by Step Solution
- Step 1: Write the proportion equation
64,563,213.09 : 96,863,687.52 = 20,842,945.75 : x - Step 2: Convert to fraction form
64,563,213.09/96,863,687.52 = 20,842,945.75/x - Step 3: Cross multiply
64,563,213.09x = 96,863,687.52 × 20,842,945.75 - Step 4: Simplify right side
64,563,213.09x = 2,018,924,584,124,312 - Step 5: Solve for x
x = 2,018,924,584,124,312/64,563,213.09 - Step 6: Final answer
x = 31,270,509.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.