Finding the Fourth Proportional to 195,149,994.75, 292,731,057.41 and 72,358,867.71
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Solution
The fourth proportional to 195,149,994.75, 292,731,057.41 and 72,358,867.71 is: 108,540,550.49
Step by Step Solution
- Step 1: Write the proportion equation
195,149,994.75 : 292,731,057.41 = 72,358,867.71 : x - Step 2: Convert to fraction form
195,149,994.75/292,731,057.41 = 72,358,867.71/x - Step 3: Cross multiply
195,149,994.75x = 292,731,057.41 × 72,358,867.71 - Step 4: Simplify right side
195,149,994.75x = 21,181,687,857,376,808 - Step 5: Solve for x
x = 21,181,687,857,376,808/195,149,994.75 - Step 6: Final answer
x = 108,540,550.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.