Finding the Fourth Proportional to 74,887,982.40, 112,344,415.20 and 29,451,259.20
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Solution
The fourth proportional to 74,887,982.40, 112,344,415.20 and 29,451,259.20 is: 44,181,781.72
Step by Step Solution
- Step 1: Write the proportion equation
74,887,982.40 : 112,344,415.20 = 29,451,259.20 : x - Step 2: Convert to fraction form
74,887,982.40/112,344,415.20 = 29,451,259.20/x - Step 3: Cross multiply
74,887,982.40x = 112,344,415.20 × 29,451,259.20 - Step 4: Simplify right side
74,887,982.40x = 3,308,684,491,727,620 - Step 5: Solve for x
x = 3,308,684,491,727,620/74,887,982.40 - Step 6: Final answer
x = 44,181,781.72
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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.