Finding the Fourth Proportional to 134,234,544.36, 185,138,727.80 and 87,206,770.20
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Solution
The fourth proportional to 134,234,544.36, 185,138,727.80 and 87,206,770.20 is: 120,277,165.37
Step by Step Solution
- Step 1: Write the proportion equation
134,234,544.36 : 185,138,727.80 = 87,206,770.20 : x - Step 2: Convert to fraction form
134,234,544.36/185,138,727.80 = 87,206,770.20/x - Step 3: Cross multiply
134,234,544.36x = 185,138,727.80 × 87,206,770.20 - Step 4: Simplify right side
134,234,544.36x = 16,145,350,490,374,954 - Step 5: Solve for x
x = 16,145,350,490,374,954/134,234,544.36 - Step 6: Final answer
x = 120,277,165.37
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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.