Finding the Fourth Proportional to 74,807,511.20, 112,211,266.80 and 32,257,239.20
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Solution
The fourth proportional to 74,807,511.20, 112,211,266.80 and 32,257,239.20 is: 48,385,858.80
Step by Step Solution
- Step 1: Write the proportion equation
74,807,511.20 : 112,211,266.80 = 32,257,239.20 : x - Step 2: Convert to fraction form
74,807,511.20/112,211,266.80 = 32,257,239.20/x - Step 3: Cross multiply
74,807,511.20x = 112,211,266.80 × 32,257,239.20 - Step 4: Simplify right side
74,807,511.20x = 3,619,625,674,102,618.50 - Step 5: Solve for x
x = 3,619,625,674,102,618.50/74,807,511.20 - Step 6: Final answer
x = 48,385,858.80
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1.5x scale
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.