Finding the Fourth Proportional to 258,848,254.13, 357,218,326.40 and 141,379,125.98
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Solution
The fourth proportional to 258,848,254.13, 357,218,326.40 and 141,379,125.98 is: 195,107,418.97
Step by Step Solution
- Step 1: Write the proportion equation
258,848,254.13 : 357,218,326.40 = 141,379,125.98 : x - Step 2: Convert to fraction form
258,848,254.13/357,218,326.40 = 141,379,125.98/x - Step 3: Cross multiply
258,848,254.13x = 357,218,326.40 × 141,379,125.98 - Step 4: Simplify right side
258,848,254.13x = 50,503,214,767,977,368 - Step 5: Solve for x
x = 50,503,214,767,977,368/258,848,254.13 - Step 6: Final answer
x = 195,107,418.97
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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.