Finding the Fourth Proportional to 186,550,761.86, 257,438,612.91 and 102,922,416.98
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Solution
The fourth proportional to 186,550,761.86, 257,438,612.91 and 102,922,416.98 is: 142,032,141.82
Step by Step Solution
- Step 1: Write the proportion equation
186,550,761.86 : 257,438,612.91 = 102,922,416.98 : x - Step 2: Convert to fraction form
186,550,761.86/257,438,612.91 = 102,922,416.98/x - Step 3: Cross multiply
186,550,761.86x = 257,438,612.91 × 102,922,416.98 - Step 4: Simplify right side
186,550,761.86x = 26,496,204,264,675,832 - Step 5: Solve for x
x = 26,496,204,264,675,832/186,550,761.86 - Step 6: Final answer
x = 142,032,141.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.