Finding the Fourth Proportional to 213,471,242.52, 294,590,566.68 and 115,686,098.52
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Solution
The fourth proportional to 213,471,242.52, 294,590,566.68 and 115,686,098.52 is: 159,646,952.52
Step by Step Solution
- Step 1: Write the proportion equation
213,471,242.52 : 294,590,566.68 = 115,686,098.52 : x - Step 2: Convert to fraction form
213,471,242.52/294,590,566.68 = 115,686,098.52/x - Step 3: Cross multiply
213,471,242.52x = 294,590,566.68 × 115,686,098.52 - Step 4: Simplify right side
213,471,242.52x = 34,080,033,320,005,108 - Step 5: Solve for x
x = 34,080,033,320,005,108/213,471,242.52 - Step 6: Final answer
x = 159,646,952.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.