Finding the Fourth Proportional to 187,580,687.14, 258,875,708.97 and 118,025,689.06
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Solution
The fourth proportional to 187,580,687.14, 258,875,708.97 and 118,025,689.06 is: 162,884,486.66
Step by Step Solution
- Step 1: Write the proportion equation
187,580,687.14 : 258,875,708.97 = 118,025,689.06 : x - Step 2: Convert to fraction form
187,580,687.14/258,875,708.97 = 118,025,689.06/x - Step 3: Cross multiply
187,580,687.14x = 258,875,708.97 × 118,025,689.06 - Step 4: Simplify right side
187,580,687.14x = 30,553,983,932,080,272 - Step 5: Solve for x
x = 30,553,983,932,080,272/187,580,687.14 - Step 6: Final answer
x = 162,884,486.66
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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.