Finding the Fourth Proportional to 245,521,088,555.82, 338,815,496,372.28 and 137,135,767,565.62
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Solution
The fourth proportional to 245,521,088,555.82, 338,815,496,372.28 and 137,135,767,565.62 is: 189,245,345,202.09
Step by Step Solution
- Step 1: Write the proportion equation
245,521,088,555.82 : 338,815,496,372.28 = 137,135,767,565.62 : x - Step 2: Convert to fraction form
245,521,088,555.82/338,815,496,372.28 = 137,135,767,565.62/x - Step 3: Cross multiply
245,521,088,555.82x = 338,815,496,372.28 × 137,135,767,565.62 - Step 4: Simplify right side
245,521,088,555.82x = 46,463,723,158,139,157,086,208 - Step 5: Solve for x
x = 46,463,723,158,139,157,086,208/245,521,088,555.82 - Step 6: Final answer
x = 189,245,345,202.09
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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.