Finding the Fourth Proportional to 258,715,116.96, 357,032,277.09 and 141,245,398.32
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Solution
The fourth proportional to 258,715,116.96, 357,032,277.09 and 141,245,398.32 is: 194,921,606.37
Step by Step Solution
- Step 1: Write the proportion equation
258,715,116.96 : 357,032,277.09 = 141,245,398.32 : x - Step 2: Convert to fraction form
258,715,116.96/357,032,277.09 = 141,245,398.32/x - Step 3: Cross multiply
258,715,116.96x = 357,032,277.09 × 141,245,398.32 - Step 4: Simplify right side
258,715,116.96x = 50,429,166,190,673,656 - Step 5: Solve for x
x = 50,429,166,190,673,656/258,715,116.96 - Step 6: Final answer
x = 194,921,606.37
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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.