Finding the Fourth Proportional to 258,964,144.38, 357,366,348.63 and 141,486,952.14
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Solution
The fourth proportional to 258,964,144.38, 357,366,348.63 and 141,486,952.14 is: 195,249,715.31
Step by Step Solution
- Step 1: Write the proportion equation
258,964,144.38 : 357,366,348.63 = 141,486,952.14 : x - Step 2: Convert to fraction form
258,964,144.38/357,366,348.63 = 141,486,952.14/x - Step 3: Cross multiply
258,964,144.38x = 357,366,348.63 × 141,486,952.14 - Step 4: Simplify right side
258,964,144.38x = 50,562,675,465,059,360 - Step 5: Solve for x
x = 50,562,675,465,059,360/258,964,144.38 - Step 6: Final answer
x = 195,249,715.31
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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.