Finding the Fourth Proportional to 79,479,435.50, 119,265,408.75 and 33,417,967.80
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Solution
The fourth proportional to 79,479,435.50, 119,265,408.75 and 33,417,967.80 is: 50,146,400.32
Step by Step Solution
- Step 1: Write the proportion equation
79,479,435.50 : 119,265,408.75 = 33,417,967.80 : x - Step 2: Convert to fraction form
79,479,435.50/119,265,408.75 = 33,417,967.80/x - Step 3: Cross multiply
79,479,435.50x = 119,265,408.75 × 33,417,967.80 - Step 4: Simplify right side
79,479,435.50x = 3,985,607,589,833,901 - Step 5: Solve for x
x = 3,985,607,589,833,901/79,479,435.50 - Step 6: Final answer
x = 50,146,400.32
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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.