Finding the Fourth Proportional to 213,471,229.02, 294,590,547.99 and 115,686,085.02
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Solution
The fourth proportional to 213,471,229.02, 294,590,547.99 and 115,686,085.02 is: 159,646,933.86
Step by Step Solution
- Step 1: Write the proportion equation
213,471,229.02 : 294,590,547.99 = 115,686,085.02 : x - Step 2: Convert to fraction form
213,471,229.02/294,590,547.99 = 115,686,085.02/x - Step 3: Cross multiply
213,471,229.02x = 294,590,547.99 × 115,686,085.02 - Step 4: Simplify right side
213,471,229.02x = 34,080,027,180,859,528 - Step 5: Solve for x
x = 34,080,027,180,859,528/213,471,229.02 - Step 6: Final answer
x = 159,646,933.86
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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.