Finding the Fourth Proportional to 258,966,207.48, 357,369,139.02 and 141,489,009.48
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Solution
The fourth proportional to 258,966,207.48, 357,369,139.02 and 141,489,009.48 is: 195,252,523.45
Step by Step Solution
- Step 1: Write the proportion equation
258,966,207.48 : 357,369,139.02 = 141,489,009.48 : x - Step 2: Convert to fraction form
258,966,207.48/357,369,139.02 = 141,489,009.48/x - Step 3: Cross multiply
258,966,207.48x = 357,369,139.02 × 141,489,009.48 - Step 4: Simplify right side
258,966,207.48x = 50,563,805,498,660,208 - Step 5: Solve for x
x = 50,563,805,498,660,208/258,966,207.48 - Step 6: Final answer
x = 195,252,523.45
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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.